Thomas Mercer, Ltd. London, No. 19851, circa 1950.Fine mahogany two-day marine chro-nometer with winding indicator.

Glasshütter Uhrenbetriebe Glasshütte/Sa. (GUB), No. 4114, circa 1970.Fine mahogany two-day break-circuit marine chronometer with winding indicator.

Gebber Eppner, Berlin, No. 189, circa 1940.Fine mahogany two-day marine chronometer with winding indicator and reversible fusee.

Ulysse Nardin, Locle, Suisse, No. 5259, circa 1947.Fine mahogany two-day marine chronometer with winding indicator.

Ulysse Nardin, Locle, Suisse, No. 5746, circa 1950.Fine mahogany two-day marine chronometer with winding indicator.

Jules Auricoste et Fils, Horlogers de la Marine de L'Etat, Paris, 10 rue la de la Boëtie, for the Hydrographic Service of the Marine, No. 18503, circa 1930.Fine mahogany keyless surveying clock with 36-hour winding indication and stop feature.

Leroy, Paris, No. 825, circa 1880.Fine small 40 hour-going deck chrono-meter with power reserve indication.

Czapek & Cie, Geneva, No. 2462, circa 1860.Fine 18K gold, enamel and diamond-set keyless pendant watch in original tortoiseshell fitted box, accompanied by a matching brooch.

Patek Philippe & Cie, Genève, Ellipse d'Or, No. 1192792, case No.551994, Ref. 3938/1. Produced in the 1980's. Fine, oval, 18K yellow gold gentleman's wristwatch with an 18K yellow gold Patek Philippe woven bracelet.

Ulysse Nardin, Locle & Geneva, No. 124447, circa 1950.Very fine stainless steel keyless deck watch with 36-hour winding indicator, factory 'Bulletin de Marche' from 1953, in original mahogany fitted box.

Johan Wirén, Saint Petersburg, No. 91, movement made by Kullberg, hallmarked 1878-79.Very fine silver and gold deck chronometer with 36-hour winding indicator in original mahogany fitted box.

Viner & Co, New Bond St., London, No. 3251, circa 1840.Fine and rare silver pull-wound pocket watch.

Ulysse Nardin, Locle, Suisse, No. 7253, circa 1890.Very fine and rare 18K gold keyless pocket chronometer.

Rolex Oyster Perpetual, Certified Chronometer, Ref. 3131, 1940's.Fine water-resistant tonneau-shaped, center-seconds, self-winding, 14K pink gold gentleman's wristwatch.

Rolex Perpetual, Ref. 8126. Produced in the 1950's. Fine carré galbé, self-winding, 18K pink gold lady's wristwatch with an 18K pink gold bracelet.

Rolex Oyster Perpetual Précision, Ref. 5003. Produced in the 1950's. Fine tonneau-shaped, self-winding, water-resistant, 18K yellow gold lady's wristwatch with a gold-plated Rolex buckle.

Rolex Oyster Perpetual, Certified Chronometer, Ref. 5015. Produced in the 1940's. Very fine tonneau-shaped, center-seconds, self-winding, water-resistant, 18K gold gentleman's wristwatch.

Rolex Oyster Perpetual Explorer, Superlative Chronometer Officially Certified, Ref. 1016. Production of this reference started in 1960's. Fine tonneau-shaped, center-seconds, self-winding, water-resistant, stainless steel gentleman's wristwatch with a stainless steel Oyster bracelet.

Rolex Oyster Perpetual Submariner, 100m/330ft, Ref. 6204, so-called 'James Bond'. Produced in the 1950's. Fine center-seconds, self-winding, water-resistant, stainless steel gentleman's wristwatch with stainless steel Oyster bracelet and deployant clasp, with black bezel.

Rolex, Oyster Perpetual, Submariner, Ref. 5512. Production of this reference started in 1959.Fine and rare center-seconds, self-winding, water-resistant to 200m./660ft., stainless steel gentleman's wristwatch with a black fabric bracelet.

Rolex Anti-Magnetic, Ref. 3055. Produced in the 1930's. Fine and rare 18K pink gold mid-sized wristwatch, with olive-shaped button chronograph, registers and tachometer.

Rolex Anti-Magnetic, Ref. 3055. Produced in the 1950's. Fine and rare 18K yellow gold mid-sized wristwatch, with square-shaped button chronograph, registers, tachometer and a gold-plated Rolex buckle.

Rolex, Ref. 2022. Produced in the 1930's. Fine and rare cushion-shaped stainless steel gentleman's wristwatch with coaxial single button chronograph on the crown, register and pulsometer, a stainless steel Rolex bracelet.

Rolex Anti-Magnétique, Ref. 3529. Produced in the 1940's. Very fine and rare square stainless steel gentleman's wristwatch with square button chronograph, register, tachometer and a stainless steel Rolex buckle.

Harper, London, circa 1700, made for the Dutch market.Fine and rare silver pair-cased watch with mock pendulum and regulator through the dial.

Thomas Gorsuch, No. 323, Salop, circa 1700.Fine silver pair-cased watch.

John Moore, London, circa 1700.Fine silver pair-cased watch with W.J. Moore watch paper.

William Tomlinson, London, No. 1251, circa 1700.Fine and rare silver pair-cased alarm watch.

Brouncker Watts, London, No. 715, hallmarked 1709-10.Very fine and rare 22K gold pair-cased watch.

The Music LessonGodin A Paris, Swiss, circa 1770.Fine 18K gold and enamel watch.

Jean Baptiste Baillon A Paris, Swiss, circa 1770.Fine 18K gold and painted enamel watch.

Giovanni Francesco Gioly (Jean François Joly), Roma, dated 1693.Extremely rare and very fine small ebonized quarter-repeating bracket clock with early balance and straight balance spring.

Isaac Thuret, A Paris, circa 1690.Very rare and fine ebonized early balance spring hour and half hour striking traveling clock.

The Rose of Shiraz(Pierre Didier) Lagisse (Geneva), made for the Persian market, circa 1678.Very rare and fine vermeil, gilt metal and rock crystal single-hand pendant watch with early balance spring,silver cock, 'Tompion' regulator and fixed barrel.

Nicolas Gribelin, Paris, circa 1680.Very fine and rare ebonized hour-striking, early 'Religieuse' pendulum wall clock.

Tetê de poupéeDidier Lalemand, A Paris, circa 1700Very fine and rare Boulle marquetry hour and half-hour striking pendulum table clock.

Josiah Emery, Charing Cross, London, No. 888, hallmarked 1784-85.Very fine and very rare 22K gold pocket chronometer with regulator dial, patented 'double S' compensation balance, dial pivoted detent escapement and stop feature.

Paul Philip Barraud, Cornhill, London, No. 180, circa 1800.Very fine 18K gold Arnold-type spring detent pocket chronometer.

The MinotaursUnsigned, German, circa 1570. Interesting gilt bronze tambour-shaped, single-hand pendant alarm watch with iron movement, stackfreed, foliot and hog's bristle regulator.

Drum ClockUnsigned, German, circa 1570 with later movement.Interesting single-hand two-level drum clock with additional drum-shaped alarm mechanism.

Nürnberg EggGerman, circa 1580.Fine and rare oval gilt metal single-hand two-train pendant clock watch.

Chrisstof Streibel, Augsburg, circa 1620.Extremely rare and important small and fine octagonal rock crystal, 21K gold and enamel pre balance spring single-hand pendant watch with stackfreed, in original octagonal leather fitted box.

The Old and New TestamentWillam Cory, English, circa 1620.Very rare and fine silver and gilt metal single-hand pre balance spring octagonal pendant watch with concealed dial.

The PuritanRaphe Ashe (Ralph Ash), London, circa 1640.Rare, small, and fine oval silver pendant watch.

Unsigned, German, circa 1690.Extremely rare and important gilt brass folding knife fitted with a single-hand watch.

Theagenes and CharicleaJ. Van Ceulen Le Jeune, Hagae, No. 1378, circa 1710, enamel by Robert Vauquer, Blois, circa 1660.Magnificent gold, silver, enamel and gem-set pair-cased watch.

M&P, Geneva, circa 1785.Very fine and extremely rare small 20K varicolored gold oval snuff box with carillon playing four automatically changing tunes on bells.

Frères Rochat, Geneva, No. 456, made for the Chinese market, circa 1825.Beautiful and rare small 18K varicolored gold and enamel singing bird box in original Morocco fitted box.

Lépine, Invenit et Fecit, a Paris, No. 5431, circa 1789.Very fine and possibly unique 18K gold center-seconds watch with true equation of time and early lever escapement.

Louis Berthoud, Paris, No 44, completed on Pluviose 24, year IX (February 13, 1801), sold to Citoyen Delambre, Administrator of the Board of Longitudes, for the Account of the Citoyen Ministre de l'Intérieur, to be sent to Egypt. Resold to the Department of the Marine on May 10, 1817, for the Senegal expedition and delivered to Vice Admiral Rosily, after examination by Monsieur Burkhard, Director of the Ecole Militaire Observatory.Extremely fine and almost certainly unique silver pocket chronometer with 24-hour regulator dial.

Probably Dubois et Fils, Locle, circa 1800, made for the Chinese market.Very fine and very rare pair of 18K gold, diamond-set, dead center-seconds watches, with Pouzait escapement and stop feature.

Breguet et Fils, No. 2669, sold on May 7, 1813 to Monsieur Anisson for 600 francs, accompanied by certificate.Very fine, large, two-tone silver and gold 'souscription' watch in Breguet Morocco fitted box.

Breguet, No. 874, 'donnée en confiance' in Germinal an 10 (March 22 - April 20, 1802) to Monsieur Leleu for 600 francs.Very fine, large, two-tone silver and gold 'souscription' watch in Breguet Morocco fitted box.

Breguet et Fils, No. 1580, sold to Lord Landerdal on February 24, 1807, for 2,200 Francs.Very fine 20K gold jump-hour quarter-repeating à toc watch accompanied by a Breguet morocco fitted box.

Breguet, Horloger de la Marine Royale, No. 127, sold on April 27, 1835, to Baron Delmare for 1,800 francs.Very fine two-tone 20K gold and silver quarter-repeating watch, accompanied by a Breguet morocco fitted box.

Breguet et Fils, No. 3537, sold to Countess Alexandrine Laval on July 17, 1821, for 1,180 Francs.Rare and fine platinum and gold pocket watch.

Breguet, No. 2444, manufactured in 1808, sold on April 4, 1810, to Francesco Bor-ghese, Prince de Aldobrandini, for the sum of 3,000 Francs. Bought back by Breguet on April 8, 1814, for 2,000 francs, sent by Breguet to Wenham, his agent in St. Petersburg, on July 4, 1814, for the sum of 3,000 francs, and sold to General Davidoff.Very fine and thin 18K gold and enamel jump-hour half quarter-repeating watch.

Romeo & JulietBovet, Fleurier, made for the Chinese market, circa 1830.Very fine and rare 18K gold and enamel, pearl-set watch with ruby duplex escapement.

Lavinia receiving the letterPiguet et Meylan, Geneva, No. 3977/83, made for the Chinese market, circa 1825.Very fine and rare 18K gold and painted on enamel, pearl-set, quarter-repeating watch.

Family SceneProbably Piguet & Meylan, Geneva, No. 4346, made for the Chinese market, circa 1826.Very fine and rare 18K gold and painted on enamel, pearl-set, 8-day going quarter-repeating watch.

'Mille Fleurs'Bovet, Fleurier, No. 2406, circa 1840, made for the Chinese market.Very fine and unusual 18K gold and enamel pearl-set dead center-seconds watch with special movement and Chinese duplex escapement.

The Swan FountainUnsigned, Geneva, made for the Spanish market, circa 1820.Extremely fine and rare 18K gold and enamel pearl-set center-seconds quarter-repeating watch with visible repeating works set on the back plate.

Feeding the ChicksIlbery, London, No. 5995, London hallmarks for 1801 - 02, enamel by Richter.Very fine and important gold and enamel pocket chronometer with Peto cross detent escapement, made for the Chinese market.

Allégrone & Emery, Geneva, made for the Islamic market, circa 1830.Fine 18K gold and enamel hunting-cased quarter-repeating watch with original gold and enamel Breguet-style key and short gold chain.

Playing Putti L. Vrard & Co., Tientsin, Swiss, made for the Chinese market, circa 1900, enamel signed HL.Very small, fine and rare 18K gold and enamel, pearl- and red sapphire-set hunting-cased keyless minute-repeating watch.

The TheaterAttributable to the Du Bois workshop, Locle, made for the Chinese market, circa 1800.Extremely rare and fine 18K gold and enamel, pearl-set, double-face musical automaton watch.

'Scentimental' DuelAttributed to Moulinié, Bautte & Cie, Geneva, circa 1806.Very fine and rare 18K gold and enamel pearl-set combined watch and perfume sprinkler in the form of a flintlock pistol, made for the Chinese market.

The UrnMarkwick Markham, Perigal, London, No. 24914, dated December 1781, made for the Islamic market.Very fine and extremely rare small 18K gold, gilt metal, silver and enamel, diamond-set concealed dial form watch, designed as an urn.

The TelescopeUnsigned, probably Geneva, circa 1800.Impressive and very rare 18K gold, gilt brass and enamel telescope.

The RosePiguet & Meylan, Geneva, made for the Chinese market, circa 1820.Magnificent and extremely rare, 18K gold and enamel, pearl-set, center-seconds, two-train, musical automaton watch, playing on the hour and on request, designed as a pink rose.

Attributable to Piguet & Capt, Geneva, circa 1810. Extremely rare and fine 18K gold and enamel pearl-set trefoil-shaped musical vinaigrette with automaton scene and fitted with a watch, in original red Morocco fitted box.

The PearJ. Thaller in Huns Kirchen, Austria, circa 1830.Fine and amusing 18K gold and enamel concealed dial form watch in the shape of a pear.

The PearUnsigned, No. 8105, Geneva, circa 1815.Fine 18K gold and enamel concealed dial form watch in the shape of a pear.

The ShoeUnsigned, Geneva, circa 1800.Very rare and amusing 18K gold and enamel concealed dial form watch designed as a sabot shoe.

The ShoeUnsigned, Geneva, circa 1800.Very rare and amusing 18K gold and enamel concealed dial form watch designed as a sabot shoe and bird's head.

The ButterflyUnsigned, Geneva, circa 1800.Very fine and amusing 18K gold and enamel emerald- and pearl-set, concealed dial form watch in the shape of a butterfly.

The UrnUnsigned, Geneva, circa 1810.Fine, 18K gold and enamel concealed dial form watch designed as an urn.

The TulipUnsigned, Geneva, circa 1820.Very fine 18K gold and enamel pearl-set concealed dial form watch designed as a tulip.

Souvenir d'AmitiéUnsigned, Geneva, circa 1810.18K gold and enamel concealed dial form watch designed as a sabot shoe.

Cartier Paris. Produced circa 1920.Very fine, rare and elegant tonneau-shaped, platinum,18K pink gold and diamond gentleman's wristwatch with linen-textured platinum bracelet and an 18K pink gold Cartier deplo-yant clasp.

Cartier, Paris, made in 1919.Very fine and important 'Pendule Mystérieuse Modèle A', 18K gold, onyx, rock crystal and diamond eight day-going Mystery clock.

Black, Starr & Frost, New York, made by Rubel Frères, Paris, circa 1920.Very fine and important eight day-going, lapis lazuli, black onyx, rock crystal, mother-of-pearl, gold and platinum mystery clock, whose form and decoration are inspired by the Aztec Sun Stone, in original leather fitted box.

Patek Philippe & Cie, Genève, No. 830255, case No. 614597. Produced circa 1935.Extremely rare and fine, Art Deco, rectangular horizontal, 18K yellow gold gentleman's wristwatch with hooded lugs and an 18K yellow gold Patek Philippe buckle.

Patek Philippe & Cie, Genève, No. 833057, case No. 618892. Produced circa 1940.Very rare and fine rectangular curved, flared coins arrondis, 18K pink gold gentleman's wristwatch with an 18K pink gold Patek Philippe buckle.

Cartier, No. 45931. Produced in the 1940's. Fine 14K gold pencil porte-mine set with a keyless watch.

Cartier, Paris, circa 1910.Very fine and rare Art Déco 18K gold keyless minute-repeating 'shutter' dress watch, accompanied by two-tone gold chain.

Cartier, Paris, Ceinture Automatique. Produced in the 1970's. Fine octagonal, self-winding, 18K yellow gold gentleman's wristwatch.

Cartier, Paris, No. A 105807, Ref. 1809. Produced in the 1980's. Very fine and rare circular stepped 18K yellow gold gentleman's wristwatch integrated in a leather bracelet.

Cartier, Paris, No. 7058, circa 1910.Extremely rare and very fine 18K gold keyless minute-repeating Art Deco dress watch with skeletonized dial, visible repeating works and back movement, accompanied by a Cartier certificate.

Cartier, Paris, Londres, circa 1910.Very fine 18K gold and enamel Art Deco diamond-set extra slim keyless fob watch, accompanied by a matching chain.

Montre ChevaletCartier, Paris, No. 15208, entered into the register on 13 December 1924.Very fine and rare Art Deco 18K gold square keyless pocket watch with an easel to be set on a desk.

Cartier, Paris, circa 1910.Very fine platinum keyless dress watch.

Cartier, Paris, No. 32773, entered into the register on April 22, 1937.Fine 18K gold keyless eight day-going Art Deco 'forme nouvelle' dress watch.

Patek Philippe & Cie, Genève, No. 822442, case No. 609691. Produced circa 1933.Very fine rectangular curved, 18K yellow gold, Art Deco gentleman's wristwatch.

Patek Philippe & Cie, Genève, No. 192469, case No. 600930. Produced circa 1919.Very fine and extremely rare tonneau-shaped platinum Art Deco gentleman's wristwatch with an 18K white gold Patek Philippe buckle.

Patek Philippe & Cie, Genève, No. 816951, case No. 414537. Produced circa 1928.Very fine, large, rectangular curved, 18K yellow gold Art Deco gentleman's wristwatch with an 18K yellow gold Patek Philippe buckle.

Patek Philippe & Cie, Genève, No. 824418, case No. 606288. Produced circa 1935. Fine and rare tonneau-shaped platinum and 18K white and yellow gold Art Deco lady's wristwatch with leather cord bracelet bearing two gold rings and clasp.

Patek Philippe & Cie, Genève, No. 194087, case No. 602951. Produced in 1922, sold on June 29, 1925.Very fine, carré galbé, 18K white and yellow gold Art Deco gentleman's wristwatch. Accompanied by the Extract from the Archives.

Patek Philippe & Cie, Genève, No. 813529, case No. 606160. Produced circa 1928. Very fine and rare rectangular Art Deco 18K white gold gentleman's wristwatch with an 18K white gold Patek Philippe buckle. Accompanied by a fitted box and certificate.

Patek Philippe & Cie, Genève, No. 745872, case No. 693321, Ref. 2501. Production of this reference started in 1951. Fine, rare and flat, 18K white gold gentleman's wristwatch.

Patek Philippe & Cie, Genève, No. 959826, case No. 512979, Ref. 2475. Production of this reference started in 1950.Fine square 18K yellow gold gentleman's wristwatch.

Patek Philippe & Cie, Genève, Amagnetic, No. 734076, case No. 432405, Ref. 3420. Production of this reference started in 1959. Fine 18K yellow gold gentleman's wristwatch.

Patek Philippe & Cie, Genève, No. 741952, case No. 681164, Ref. 2501, retailed by Black, Starr & Gorham. Production of this reference started in 1951. Fine and flat, 18K yellow gold gentleman's wristwatch.

Rolex Cosmograph Daytona, so-called 'Paul Newman', Ref. 6239 with steel bezel. Produced in the 1970's. Very fine, water-resistant, stainless steel gentleman's wristwatch with round button chronograph, registers and tachometer with a stainless steel Oyster bracelet.

Rolex Oyster Cosmograph Daytona , Ref. 6265/6263, with steel bezel. Production of this reference started in 1971. Fine water-resistant, stainless steel gentleman's wristwatch with round button chronograph, registers and tachometer. Accompanied by a stainless steel Oyster bracelet.

Rolex Oyster Perpetual Milgauss, Superlative Chronometer, Officially Certified, Ref. 1019. Production of this reference started in 1966.Very fine, water-resistant to 50 m., center-seconds, self-winding, stainless steel gentleman's wristwatch with a stainless steel Oyster bracelet.

Patek Philippe & Cie, Genève, No. 863398, case No. 509696, Ref. 530. Production of this reference started in 1937.Very fine and rare oversized 18K yellow gold gentleman's wristwatch with square button chronograph, register and tachometer.

Patek Philippe & Cie, Genève, Calatrava, No. 867118, case No. 646815, Ref. 533. Production of this reference started in 1937.Very fine and rare 18K pink gold gentleman's wristwatch with square button chronograph, register and tachometer, with a linen-textured 18K yellow gold Patek Philippe bracelet, and an additional leather strap.

Patek Philippe & Cie, Genève, No. 867004, case No. 646786, Ref. 130. Production of this reference started in 1934. Very fine and rare, 18K yellow gold Art Deco gentleman's wristwatch with square button chronograph, register, pulsometer and an 18K yellow gold Patek Philippe buckle.

Patek, Philippe & Cie., Genève, No. 890674, case No. 419394, circa 1940.Very fine 18K gold keyless dress watch.

Patek Philippe & Cie, Genève, No. 821722, case No. 608908. Produced circa 1924. Very fine and rare, rectangular, 18K white and yellow gold Art Deco gentleman's wristwatch. with an 18K gold Patek Philippe buckle. Accompanied by fitted box and Extract from the Archives.

Audemars Piguet, Genève, No. 54834. Produced in 1948. Very fine and rare, astronomic, 18K yellow gold gentleman's wristwatch with triple date, lunar calendar and moon phases.

Audemars Piguet, Genève, Automatic, No. 109900, case No. 49183. Produced in 1969.Very fine and large, flat, self-winding, 18K yellow gold gentleman's wristwatch.

Audemars Piguet, Genève, No. 52319. Produced in the 1950's, cased in the 1970's.Fine and rare, water-resistant, 18K yellow gold gentleman's wristwatch with round button chronograph, registers and triple date.

Rolex Oyster Perpetual, DateJust, Superlative Chronometer Officially Certified, Ref. 1600 / 1603. Produced in the 1960's.Fine center-seconds, self-winding, water-resistant, tonneau-shaped, stainless steel gentleman's wristwatch with a stainless steel Jubilée bracelet and clasp.

Rolex, Oyster Perpetual Date, Sea-Dweller - Submariner 2000, 2000 ft=610 m., Superlative Chronometer, Officially Certified, Ref. 1665, 1970's.Fine and rare center-seconds, self-winding, water-resistant to 2000ft/610 m., stainless steel gentleman's wristwatch with date and stainless steel Fliplock Oyster bracelet.

Rolex Oyster Precision, Ref. 6480. Produced in the 1960's.Fine center-seconds, water-resistant, tonneau-shaped, stainless steel gentleman's wristwatch with stainless steel Oyster bracelet.

Patek Philippe & Cie, Genève, No. 765233, case No. 2602871, Ref. 2526, third generation. Production of this reference started in 1953.Fine self-winding, water-resistant, 18K yellow gold gentleman's wristwatch with an 18K yellow gold Patek Philippe buckle.

Patek Philippe & Cie, Genève, No. 864309, case No. 418642. Produced in circa 1949. Very fine and extremely rare, indirect center-seconds, 18K pink gold gentleman's wristwatch with an 18K pink gold Patek Philippe buckle.

Rolex Oyster Chronograph, 50m. = 165 ft, Anti- Magnetic, Ref. 6036, so-called Jean-Claude Killy, Produced in 1952.Very fine and exremely rare, tonneau-shaped, water-resistant down to 50 m., stainless steel gentleman's wristwatch with round button chronograph, registers and triple date.

Audemars Piguet, Brassus & Genève, No. 38769. Produced circa 1927. Very fine and rare rectangular 18K white gold Art Deco gentleman's wristwatch with triple date and a stainless steel Audemars Piguet buckle.

Audemars Piguet, Brassus & Genève, No. 37891. Produced circa 1927. Very fine and rare rectangular, 18K yellow gold Art Deco gentleman's wristwatch with triple date and moon phases, with a gold-plated deployant clasp.

Patek Philippe & Cie, Genève, No. 970983, case No. 511136, Ref. 2415. Production of this reference started in 1946.Very fine and probably unique rectangular curved platinum gentleman's wristwatch with a platinum Patek Philippe buckle. Accompanied by a fitted box and the Extract from the Archives.

Patek Philippe & Cie., Genève, No. 930865, case No. 654950, Ref. 605 HU (Heures Universelles), sold in January 25, 1950. Very fine and very rare, 18K pink gold keyless World Time dress watch, the polychrome cloisonné enamel dial representing a map of North America. Accompanied by a fitted box and original certificate.

Patek Philippe & Cie, Genève, No. 964804, case No. 669507, Ref. 1415 HU (Heures Universelles). Production of this reference started in 1939.Very fine and extremely rare 18K pink gold World Time gentleman's wristwatch with polychrome cloisonné enamel dial representing the map of four continents: Europe, Africa, Asia and Australia, with an 18K pink gold Patek Philippe buckle.

Lot of nine horological books

Lot of nine horological books.

Lot of six horological books.

Mudge, Thomas, 'A Description, With Plates, of The Time-Keeper Invented by the Late Mr. Thomas Mudge'

Major General Viscount Grant De Vaux, 'The Means of Finding The Longitude at Sea In Four Dissertations...' Second Edition

Gatty, Mrs. Alfred, 'The Book Of Sun-Dials' London, Bell And Daldy, 1872:

Cummings, Alexander, 'The Elements Of Clock and Watch-Work'

Berthoud, M. Ferdinand, 'Essai Sur L'Horlogerie; Dans Lequel On Traite De Cet Art Relativement A L'Usage Civil, A L'Astronomie Et A La Navigation...', Tome Second, Paris, 1763

Saunier, Claudius Tripplin, Julien Rigg, Edward 'A Treatise on Modern Horology In Theory and Practice'

Saunier, Claudius, 'Traité d'Horlogerie Moderne Théorique et Pratique'

Ferguson, James F.R.S., 'Select Mechanical Exercises: Shewing how to construct different Clocks, Orreries, and Sun-Dials On Plain And Easy Principles etc.', London, 1778, Strahan and T. Cadell in the Strand

Parts Containing All The Arithmetic And Geometry Necessary', London, 1773

Smith, John C.M., 'Horological Disquisitions Concerning the Nature of Time, And The Reasons why all Days, from Noon to Noon, are not alike Twenty Four Hours long'.

Delahire, Illustrated by J. Leek 'Gnomonicks or The Art of Shadows Improved Plainly Set Forth in The Drawings of Sun-Dials On all Sorts of Planes by Different Methods', The Second Edition, London, 1709

Lettres Royales et témoignages de satisfaction et d'estime addressés à Adrien Huijbers. Offert à sa chère femme née Jeanne Van den Bussche.

Unsigned, Swiss or French, circa 1840.Fine brass and steel large face-plate engine.

Gulot à Paris, circa 1870.Fine and rare large brass wheel-cutting engine.

Vocht, Schmidt & Co, Germany Brevete VLV, S.D.G.D, No. 42, circa 1870.Fine and rare brass and steel face-plate engine.

Unsigned, Swiss or French, circa 1840.Fine small brass wheel-cutting machine.

Unsigned, Swiss or French, circa 1820.Fine brass wheel-cutting machine.

A.G. Jeanneret, Mecanissien, Locle, circa 1870.Fine brass and steel face plate machine.

Fine oak and polar small bench with small round hardwood adjustable stool.

Unsigned, Swiss or French, circa 1850.Fine and rare brass wheel-cutting machine.

E.F., Swiss or French, circa 1880.Fine and very rare brass wheel-cutting machine.

Unsigned, probably German, circa 1890.Very fine large face plate engine with pivoted bed for horizontal work.

Unsigned, Swiss or French, circa 1840.Fine brass and steel large face-plate machine.

Unsigned, Swiss or French, circa 1810.Fine brass wheel-cutting machine.

Unsigned, Swiss or French, circa 1840.Fine brass and steel large face-plate machine.

Unsigned, Swiss or French, circa 1850.Fine brass and steel face-plate machine.

Gulot à Paris, circa 1870.Fine and rare, large brass wheel-cutting machine.

W.O., possibly Germany, circa 1890.Very fine large face-plate machine with pivoted bed for horizontal work.

Lorch Schmidt & Co., Germany, circa 1940.Watchmaker's lathe in original large wooden box with the following accessories:

Unsigned, Swiss or French, circa 1850.Fine brass and steel engine for making dividing plates for wheel cutting engines.

Chronomètre Solaire a Temps MoyenDucommun, Elève de Breguet à Avignon, circa 1850.Very rare and interesting model of a highly precision sun dial.

Perin & Magniel, France, No. 260, circa 1890.Very fine and rare brass table surveying and astronomical observation 8-day going clock with chronometer escapement and dead-seconds chronograph.

French, 20th century.Fine and rare automaton depicting a watchmaker.

Probably Samuel Roy & Fils à Chaux de Fonds, circa 1810.Extremely rare and fine astronomical eight day-going, center-seconds, hour and quarter striking, mahogany wall regulator 'à violon',with date, phases and ages of the moon.

Lot comprising six framed French engravings with horological tools from Diderot and d'Alembert's Encyclopédie ou Dictionnaire raisonné des Sciences, des Arts et des Métiers, 1751-1772, comprising:

Lambert, Ecole Nationale d'Horlogerie, No. 4093, circa 1900.Very fine model of an interesting unidirectional constant-force escapement.

B. Reboullet, Ecole Nationale d'Horlogerie de Cluses 1903.Fine model of a spring detent escapement.

Very unusual album with 40 unique hand-painted studies for painted and cloisonné enamel watch-dials.

Lot of three important Breguet documents comprising:

Lot of five documents relating to Breguet comprising

Lot of four documents relating to Le Roy, Breguet's agent in Constantinople, comprising:

Lot of five important Breguet documents comprising

Breguet, Horloger de la Marine Royale, No. 3966, sold to Devolue, Meuron & Cie on January 31, 1824 for 1,254 Frs. Very fine 20K gold quarter-repeating watch.

Henri Motel, Paris, No. 3, circa 1850.Very fine, ebonized center-seconds month-going mantel regulator with mean and solar time, annual calendar and visible escapement.

Owen Owens, 6. South Castle St., Liverpool, No. 1266, circa 1880.Fine mahogany two-day Marine Chronometer with winding indicator.

Breguet, No. 705, 'Valet Astrono-mique', sold to the Comte de la Renoste on September 23, 1865, for 2,100 Francs.Very fine and important burr walnut month-going weight-driven high-precision astronomical wall regulator with center-seconds and pendulum calibrated for both sidereal and mean time.

Breguet et Fils, No. 769, used as a Breguet Company Regulator, begun in 1855, finished in 1874.Very fine and unique one year-going center-seconds floor regulator beating seconds, accompanied by a certificate.

Attributable to Bontems, Paris, circa 1880.Fine tortoiseshell and painted enamel singing bird box.

H. Mons à Vevey, circa 1770.Fine 8 day-going, hour and half hour-striking, hour-repeating Neuchâtel type pendulum wall bracket clock.

Robert Watshaw, 178 Park Lane, No. 600, circa 1880.Fine mahogany two-day Marine Chronometer with winding.

Unsigned, French, circa 1880.Very fine gilt brass and silver eight day-going grande et petite sonnerie, quarter-repeating carriage clock with alarm.

E. Maurice Co., Paris, made for the Chinese market, circa 1890.Fine gilt bronze and enamel, eight day-going, half hour-striking carriage clock in original leather fitted box.

Longines 'Chronometre', No. 4007468, circa 1922.Very fine eight day-going keyless deck watch with 8-day winding indicator.

Breguet No. 4107, produced in September 1938, sold to the French Aéronautique on December 30, 1938, for 15'800 Francs.Fine keyless Sidéromètre Breguet Type 101 split-seconds chronograph, Breveté S.G.D.G., from a small series of 25 pieces only.

Eterna-Matic, Swiss, circa 1956.Fine and interesting large model of an Eterna-Matic self-winding wristwatch movement (Cal. 5100) with electric rotating base.

Rolex, Geneva, 'L'heure a la Seconde', No. 1365, circa 1960.Fine desk clock with stop feature in original wooden fitted box.

Le Pierrot EcrivainBlancpain, Swiss, circa 1980.Very fine and rare musical automaton, with carrying box.

Jaeger, Paris, 'Place de l'Opera', made in the 1960's.Fine and unusual eight day-going keyless table clock with alarm, designed as a street lamp.

Jaeger, Paris, 'Rue de la Paix', made in the 1960's.Fine and unusual eight day-going keyless table clock with alarm, designed as a street lamp.

Patek, Philippe & Cie., Genève, Model 'S', Series 008, circa 1975.Integrated Electronic Video-quartz' Master Clock System with additional digital display with hours, minutes, seconds. and tenths of second.

Patek, Philippe & Cie., Genève, No. 742317, Model 40 788, circa 1975.Fine and rare 'Multicapt' Timing Instrument.

Patek, Philippe & Cie., Genève, 'Quartz M', No. 790236, Model TS CH 22, circa 1980.Fine and rare wall quartz Master Clock.

Patek Philippe & Cie. à Genève, Pendulette Dôme, No. 173, movement No. 872669, circa 1958.Very fine gilt brass solar-powered table clock based on a mechanical movement.

Patek Philippe & Cie., Genève, No. 720462, Series E 1200, circa 1970.Very fine 'Naviquartz', electronic chronometer with center-seconds.

Vacheron & Constantin, Genève, Les Histo-riques, No. 775400, case No. 654625, Ref. 92239. Produced in the 1990's, sold on November 29, 2000. Fine, 18K yellow gold gentleman's wristwatch with an 18K gold Vacheron Constantin buckle. Accompanied by a fitted leather folder and certificate.

International Watch Co., Schaffhausen, Automatic, Ingénieur, 500.000 A/m, No. 2511729. Production of this reference started in 1989.Fine, tonneau-shaped, center-seconds, self-winding, water-resistant to 120 m., 18K yellow gold gentleman's chrono-meter stopwatch with date and an 18K yellow gold IWC buckle. Accompanied by a white leather fitted box and operating instructions.

Audemars Piguet, Genève, Automatic, No. 267197, case No. B 87126. Pro-duced in 1986.Very fine, small, self-winding, 18K yellow gold gentleman's wristwatch with moon phases and an 18K yellow gold Audemars Piguet buckle.

Bulgari Scuba Chrono - Club Nautor's Swan, Automatic, Chronometer Officially Certified, 200 m., Ref. SC 38 NSW, No. 494/500. A limited edition of 500 examples produced circa 2000, sold on January 17, 2002. Fine self-winding, water-resistant stainless steel gentleman's wristwatch with round button chronograph and register. With fitted box and international warranty.

Not signed. Produced in the 1940's style. Fine and unusual, Souscription type, two time-zone, water-resistant, gentleman's wrist-watch with one minute visible tourbillon escapement.

Concord, Ref. 20 17 214. Produced in the 1990's.Fine, water-resistant, 14K yellow gold mid-sized quartz wristwatch with triple date, moon phases and a gold plated Concord buckle.

Breguet Horloger de la Marine, Chronographe Automatique Marine, No. 1536H, Ref. 3460 SA. Produced in the 1990's. Very fine, self-winding, water-resistant to 50 meters, 18K yellow gold gentleman's wristwatch with round button chronograph, registers, date, 42 hours autonomy and 18K yellow gold Breguet deployant clasp. Accompanied by a fitted box.

Vacheron & Constantin, Genève, Automatic, case No. 633084. Produced in 1995. Very fine, self-winding, water-resistant, 18K pink gold gentleman's wristwatch with square button chronograph, registers, 39 hours autonomy, perpetual calendar, moon phases and an 18K pink gold Vacheron Constantin buckle.

Haas & Cie, Genève. Produced circa 1994. Very fine self-winding, water-resistant to 40 m. 18K yellow gold gentleman's wristwatch with an18K yellow gold HNC buckle.

Daniel Roth Classical Automatic Medium, No. 86. Produced in the 1990's. Fine and rare self-winding, water-resistant, double-ellipse, stainless steel gentleman's wristwatch with 40 hours autonomy, lemon-yellow leather strap and stainless steel buckle. Accompanied by original box.

Gérald Genta Automatic, Ref. G. 2132.7. Produced in the 1990's. Very fine and rare, astronomic, self-winding, water-resistant, stainless steel gentleman's wristwatch with perpetual calendar and moon phases with a stainless steel Gérald Genta buckle. Accompanied by original box.

Breguet Médicale, No. 1308, Ref. 3640. Produced in the 1990's. Very fine and flat, center-seconds, self-winding, 18K yellow gold gentleman's wristwatch with date, pulsometer and an 18K yellow gold Breguet buckle. Accompanied by original box and certificate.

Cartier, Santos. Produced in the 1990's. Fine, octagonal, center-seconds, self-winding, 18K yellow gold gentleman's wristwatch with date and an 18K yellow gold Cartier bracelet and deployant clasp.

Piaget, Genève, Gou-verneur, Automatic Per-petual, No. 560282. Pro- duced in the 1990's. Fine, astronomic, self-winding, 18K yellow gold gentleman's wristwatch with perpetual calendar and moon phases, an 18K yellow gold Piaget buckle.

Cartier, Paris, Santos Ronde, No. 0770/1847. Produced circa 1997. Fine and rare center-seconds, self-winding, water-resistant, two time-zone, 18K yellow gold and brushed stainless steel gentleman's wristwatch with 40-hour power reserve, date, and brushed stainless steel bracelet with polished gold screws and deployant clasp.

Ebel, Voyager Auto-matic, No. 34101782, case No. 8124913. Pro- duced in the 1990's. Very fine octagonal, center-seconds, self-winding, water-resistant, World Time, 18K yellow gold gentleman's wristwatch with date, 40 hours autonomy and an 18K yellow gold Ebel deployant clasp.

Corum, Meteorite Peary, No. 38, Ref. 71.450.56. Produced in the 1990's. Very fine and rare, self-winding, water-resistant, 18K yellow gold gentleman's wristwatch with date and moon phases. Accompanied by certificate.

Breitling Chronographe Rattrapante, No A 690-48. Produced in the 1990's.Fine water-resistant down to 30 atm, stainless steel gentleman's quartz wristwatch with split-second rectan-gular button chronograph, registers, tachometer, date and black rubber strap with a Breitling stainless steel buckle. Accompanied by box and certificate.

Universal Genève, Compax. Produced in the 1940's. Fine 18K pink gold gentleman's wristwatch with square button chronograph, registers and tachometer.

Universal Genève, Uni-Compax. Produced in the 1940's. Fine, pink gold and stainless steel gentleman's wristwatch with square button chronograph, register and tachometer.

Jules Jürgensen, East'd 1740, Ref. 395. Produced at the end of the 1930's.Very fine and rare, boy-sized, stainless steel gentleman's wristwatch with square button chronograph, register, tachometer and telemeter.

Gallet Chronograph & Cie, Swiss, No. 23642. Produced in the 1930's.Very fine and rare, boy-sized, 18K pink gold gentleman's wristwatch with olive shaped button chronograph, register and a 14K pink gold buckle. Accompanied by a wooden fitted box.

Love Your Fellow Man, Lend Him a Helping HandSchwab & Brendt, Swiss, English import hallmark of 1929-30.Fine silver, triangular keyless Masonic watch.

Zenith, Swiss, circa 1935.Fine and rare agate and gold-filled keyless pocket watch.

The MystérieuseA.S. & F. (Armand Schwob & Frères, La Chaux-de-Fonds), Swiss, circa 1890.Rare and fine silver, keyless mystery watch.

Patek, Philippe & Cie., Genève, No. 112460, made for Tiffany circa 1900.Fine keyless minute-repeating movement with split-seconds chronograph.

The MystérieuseA.S. & F. (Armand Schwob & Frères, La Chaux-de-Fonds), Swiss, Breveté S.G.D.G., circa 1890.Rare and fine silver, keyless mystery watch.

The design was patented under Swiss patent No. 27838.Unsigned, Swiss, circa 1920.Amusing and unusual gun metal, keyless, animated erotic watch.

L. Vrard & Co., Tientsin, Swiss made for the Chinese market, circa 1910.Very fine 18K gold hunting cased keyless double train Grande Sonnerie carillon clockwatch with quarter-repetition.

Benjamin Haas, Geneva, Paris, No. 3739, circa 1880.Fine 18K gold hunting-cased keyless pocket watch wound by closing the front cover.

A. Lange & Söhne, Glashütte, circa 1910. Fine 14K gold hunting cased keyless pocket watch.

Vacheron & Constantin, Genève, Chronomètre Royal, No. 368043, case No. 227707, circa 1910.Fine 18K gold large keyless watch.

Fritz Piguet et Bachman, Geneva, No. 12351, circa 1895.Very fine and rare hunting cased keyless minute-repeating watch with split-seconds chronograph.

Patek, Philippe & Cie., Genève, No. 96703, made for Tiffany.Very fine 18K gold hunting-cased keyless pocket watch.

A. Nicolet, Swiss, circa 1900.Very fine 18K gold keyless minute-repeating watch with split-seconds chronograph and instantaneous 30-minute register.

Jaeger, No. 171215. Produced circa 1935. Fine stainless steel keyless chronograph watch with 30-minute register.

Longines, Aero, No. 5810648, Swiss, circa 1938.Fine aluminum siderograph made for the Marine Nationale Aeronotique Navale with centre seconds, double split-seconds recorder, 30-hour power reserve indication and stop feature.

Eberhard & Co., La Chaux-de-Fonds, Swizerland. Produced in the 1930's.Very fine and oversized 18K yellow gold gentleman's wristwatch with olive-shaped button split-second chronograph, registers and tachometer.

Longines, No. 7251570, Ref. 23398. Produced circa 1935. Fine stainless steel keyless chronograph watch with 30-minute register.

Breitling Genève, Navitimer Chrono-Matic, Ref. 1806, No 11525/67. Produced in the 1970's. Fine, large, octagonal, self-winding, stainless steel, water-resistant, gentleman's wristwatch with round button chronograph, registers, telemeter, slide-rule and date, bearing the winding-crown on the 9 and the chronograph pushers on the 2 and on the 4.

Breitling Genève, Navitimer, Ref. 806. Produced in circa 1966.Fine, stainless steel gentleman's wristwatch with round button chronograph, registers, telemeter and slide-rule.

Longines-Wittnauer, Lindbergh, invented by Col. Chas. A. Lindbergh, US Pat. 1923305, launched on the market in 1932. Fine hour angle, center-seconds, solid silver aviator's wristwatch.

Longines, No. 9159327, Ref. 37285. Produced circa 1955. Very fine stainless steel, large, keyless, split-seconds keyless watch with 30-minute register. Accompanied by a Certificate of Examination from the National Physics Laboratory dated April 2, 1955.

Officine Panerai, Radiomir Panerai, No. 1010247, Ref. 3646. Produced in the 1950's.Fine and large water-resistant, cushion-shaped, stainless steel, military diving wristwatch.

Vacheron & Constantin, Genève, No. 561060, case No. 388788, Ref. 6399. Produced in the 1950's. Fine flat 18K yellow gold gentleman's wristwatch.

Vacheron & Constantin, Genève Automatic, No. 497056, case No. 326302, retailed by Türler. Produced circa 1950.Fine square center-seconds self-winding 18K yellow gold gentleman's wristwatch.

Vacheron & Constantin, Genève, No. 439394, case No. 285503, circa 1942. Fine very slim 18K pink gold keyless dress watch.

Vacheron & Constantin, Genève, Chronomètre Royal, No. 507859, case No. 363574. Produced circa 1964.Fine and rare 18K yellow gold gentleman's wristwatch with a guilloché and polished 18K yellow gold Vacheron Constantin bracelet. Accompanied by a fitted box.

Vacheron & Constantin, Genève, No. 432829, case No. 277935. Produced circa 1942.Fine, square, 18K yellow gold gentleman's wristwatch.

Vacheron & Constantin, Genève Automatic, No. 494676, case No. 322841. Produced at the end of the 1940's.Fine center-seconds, self-winding, water-resistant, 18K yellow gold gentleman's wristwatch with an 18K yellow gold tiled bracelet.

Vacheron & Constantin, Genève, No. 489274, case No. 314700. Produced in the 1940's.Fine and rare flat center-seconds, 18K yellow gold gentleman's wristwatch with 18K yellow gold Vacheron Constantin woven bracelet.

Vacheron & Constantin, Genève, No. 454075, case No. 291590. Produced in circa 1944.Fine 18K yellow gold gentleman's wristwatch.

Vacheron & Constantin, Genève, No. 393413, case by Verger Frères No. 248058, made and sold in 1924.Very fine and rare platinum, gold, enamel, jade and black onyx, diamond-set pendant watch, accompanied by factory certificate.

La Madone du Duc d'AlbeVacheron & Constantin, Genève, No. 332386, case No. 201154, made and sold in 1905.Extremely fine 18K gold and painted on enamel, keyless fob watch accompanied by matching chain and original certificate.

Vacheron & Constantin, Genève, No. 337074, case No. 213629, circa 1905.Very fine and very elegant platinum diamond-set keyless fob watch, accompanied by matching fob.

SpringtimeTiffany, Swiss, circa 1890.Fine 18K gold and enamel keyless fob watch, accompanied by gold fob.

Patek, Philippe & Cie., Genève, No. 26559, circa 1865.Fine 18K gold and enamel keyless pendant watch.

Patek, Philippe & Cie., Genève, No. 97636, case No. 217737, sold on October 13, 1896.Very fine silver and 18K gold keyless specially cased quarter-repeating watch in original mahogany fitted box and with original certificate.

Patek, Philippe & Cie., Genève, No. 58117, circa 1880.Fine 18K gold keyless pocket watch.

Patek, Philippe & Cie., Genève, No. 191018, case No. 413583, circa 1925.Very fine 18K gold keyless 'EXTRA' adjusted watch, winner of the third prize at the Geneva Observatory Contest 1927-28.

Patek, Philippe & Cie., Genève, No. 157261, case No. 274322, started in 1911, finished 1912, sold on December 15, 1931.Very fine and rare 18K gold, keyless, double-train, independent dead seconds stop watch, accompanied by the Extract from the Archives.

Patek, Philippe & Cie., Genève, No. 97849, case No. 222125, circa 1897.Very fine and rare 18K gold keyless double-train trip minute-repeating watch.

Patek Philippe & Cie, Genève, No. 115027, case No. 227669, circa 1905. Fine, 18K yellow gold, keyless watch with an 18K yellow gold chain.

Patek Philippe & Cie, Genève, No. 95414, case No. 211555, circa 1895. Fine, 18K pink gold, keyless watch. Accompanied by a fitted box.

Patek Philippe & Cie, Genève, No. 185812, case No. 403328, circa 1905. Fine, 18K yellow gold, keyless watch. Accompanied by a fitted box.

Rolex, Extra Precision, Ref. 871. Produced in the 1920's.Fine and rare large rectangular curved 18K yellow gold gentleman's wristwatch.

Rolex, No. 117524. Retailed by 'Marconi', produced in the 1930's. Very fine and interesting sterling silver gentleman's half-hunting wristwatch.

Rolex, Ref. 141. Produced in the 1920's. Very fine and early cushion-shaped solid silver gentleman's wristwatch.

Rolex 'Prince Brancard' Chronometer, Ref. 1491 HS. Produced in the 1930's.Very fine and rare jump-hour rectangular curved, sterling silver gentleman's wristwatch.

Rolex Prince Railway, Ref. 1527. Produced in the 1930's.Very fine and rare rectangular curved, stainless steel (Rolesium) and pink gold gentleman's wristwatch with a stainless steel and pink gold articulated patented Rolex bracelet made of elongated tubular elements linked one another by means of steel wire segments and deployant clasp.

Patek Philippe & Cie, Genève, Ellipse, No. 1272524, case No. 2759238 Ref. 4287.2. Produced in the 1970's.Fine, oval horizontal, 18K white gold, lapis-lazuli and several diamonds lady's quartz wristwatch with an 18K white gold woven Patek Philippe bracelet.

Rolex Oyster Chronometer, Coussin Tank, No. 75896. Produced in the 1930's. Very fine, cushion-shaped, water-resistant, stainless steel gentleman's wristwatch with a stainless steel articulated patented Rolex bracelet made of elongated tubular elements linked one another by means of wire segments.

Rolex Oyster Perpetual, Ref. 5003. Produced in the 1950's. Fine tonneau-shaped, self-winding, water-resistant, 18K pink gold lady's wristwatch with a pink gold-plated Rolex buckle.

Rolex Oyster Perpetual Chronomètre, Rigid Hooded, Ref. 3065. Produced in the 1930's. Fine and rare, center-seconds, self-winding, water-resistant, tonneau shaped, stainless steel and pink gold gentleman's wristwatch with a stainless steel and pink gold bicolored bracelet à grosses mailles.

Rolex Oyster Perpetual Officially Certified Chronometer, Ref. 6048. Produced in the1950's. Very fine tonneau-shaped, center-seconds, self-winding, water-resistant, 18K pink gold gentleman's wristwatch with an 18K pink gold Oyster bracelet.

Rolex Oyster Perpetual Chronometer, Rigid Hooded, Ref. 3599. Produced in the 1930's. Fine, tonneau-shaped, self-winding, water-resistant, stainless steel gentleman's wristwatch with stainless steel Oyster bracelet.

Rolex Oyster Perpetual Officially Certified Chronomètre, Rigid Hooded, Ref. 3064. Produced in the 1930's. Fine, tonneau-shaped, self-winding, water-resistant, stainless steel gentleman's wristwatch.

Rolex Oyster Perpetual Chronomètre, Ref. 53767. Produced in the 1930 's. Fine, self-winding, water-resistant, tonneau shaped, stainless steel gentleman's wristwatch.

Rolex Oyster Perpetual Chronomètre, Rigid Hooded, Ref. 3065. Produced in the 1930's. Very fine and rare center-seconds, self-winding, water-resistant, tonneau-shaped, 14K yellow gold gentleman's wristwatch with an 18K yellow gold Oyster bracelet.

Rolex Oyster, Officially Perpetual Chronomètre, Ref. 4919. Produced in the 1930's. Fine center-seconds, self-winding, water-resistant, tonneau-shaped, stainless steel and pink gold gentleman's wristwatch.

Rolex Oyster Perpetual, Certified Chronometer, Ref. 3131. Produced in 500 examples from 1939 and 1946 in 9K, 14K and 18K gold. Fine tonneau-shaped, center-seconds, self-winding, water-resistant, 14K yellow gold gentleman's wristwatch.

Rolex, Cam'l'on, Ref. 2018. Produced in the1950's. Fine and unusual, 18K white gold and diamonds lady's wristwatch with assorted light blue, pink, and green linen texture, black velvet, brown leather and 18K white gold woven sliding straps. Accompanied by a fitted box.

Rolex, Precision, Ref. 4381. Produced in the 1940's. Fine, carré coins arrondis, 18K pink gold lady's wristwatch with double-cord serpent 18K pink gold Rolex bracelet.

Omega, No. 39140077. Produced circa 1975.Fine 18K yellow gold lady's ring watch with concealed dial.

Audemars Piguet, Genève, No. 70547. Produced circa 1958. Very fine 18K gold keyless purse watch, set in a 20 U.S. Dollar coin dated 1883.

Rolex Oyster Perpetual, Submariner, Ref. 5508, third generation. Production started in 1957.Fine center-seconds, self-winding, water-resistant to 100 m/330ft, stainless steel gentleman's wristwatch with a stainless steel Oyster bracelet.

Rolex Oyster Perpetual Submariner with white dial, Ref. 6536/1. Second version, produced in 1955. Fine, and extremely rare center-seconds, self-winding, stainless steel, water-resistant, gentleman's wristwatch, with black bezel.

Rolex Oyster Cosmograph Daytona, Ref. 6263/6262, with steel bezel. Production of this reference started in 1971. Fine water-resistant, stainless steel gentleman's wristwatch with round button chronograph, registers and tachometer, with steel bezel with a stainless steel Oyster bracelet.

Rolex Oyster Perpetual Officially Certified Chronometer, Ref. 5028. Produced in the 1960's.Fine center-seconds, self-winding, water-resistant, tonneau-shaped, stainless steel gentleman's wristwatch with a stainless steel Rolex buckle.

Patek Philippe & Cie, Genève, Ellipse d'Or, No. 1337340, case No. 2852498, Ref. 3848-15. Produced in the 1980's.Fine oval, 18K yellow gold gentleman's wristwatch with a Patek Philippe 18K yellow gold tiled bracelet.

Rolex, Oyster Perpetual, Tru-Beat, Superlative Chronometer Officially Certified, Ref. 6556. Produced in the 1960's.Fine and unusual center-seconds, self-winding, water-resistant, tonneau shaped, jump second, stainless steel gentleman's wristwatch with stainless steel Oyster bracelet.

Lot comprising two Rolex wristwatches:1.Rolex Oyster Perpetual Day-Date, Superlative Chronometer Officially Certified, Ref. 6611/6612. Produced in the 1950's. Accompanied by a certificate of the COSC (Bureaux Suisses de Contrôle Officiel de la Marche des Montres). Fine center-seconds, self-winding, water-resistant, tonneau-shaped, 18K yellow gold gentleman's wristwatch with day and date.Rolex Oyster Perpetual, Lady DateJust Officially Certified Chronometer, Ref. 6516/6517. Produced in the 1950 's. Accompanied by a certificate of the COSC (Bureaux Suisses de Contrôle Officiel de la Marche des Montres). Fine, center-seconds, self-winding, water-resistant, tonneau shaped, 18K yellow gold lady's wristwatch with date.

Rolex Oyster Perpetual, Officially Certified Chronometer, Ref. 6098. Produced in the 1950's. Fine and rare tonneau-shaped, center-seconds, self-winding, water-resistant 18K yellow gold gentleman's wristwatch.

Rolex Oyster Perpetual, Officially Certified Chronometer, Ref. 6088. Produced in the 1950's. Fine tonneau-shaped, center-seconds, self-winding, water-resistant, 18K pink gold gentleman's wristwatch.

Rolex Oyster Perpetual DateJust 'Thunderbird', Officially Certified Chronometer, Ref. 6309. Production of this reference started in the 1950's. Fine tonneau-shaped, center-seconds, self-winding, water-resistant, 18K yellow gold gentleman's wristwatch with date and a yellow gold-plated Rolex buckle.

Rolex Oyster Perpetual Officially Certified Chronometer, Ref. 6569. Produced in the 1950's.Fine center-seconds, self-winding, water-resistant, tonneau-shaped, 18K yellow gold gentleman's wristwatch with a yellow gold-plated Rolex buckle.

Rolex Oyster Veriflat, Officially Certified Chronometer, Ref. 6512. Produced in the 1960's. Very fine and rare, flat, water-resistant, tonneau-shaped, 18K yellow gold gentleman's wristwatch with a yellow gold-plated Rolex buckle.

Rolex Oyster Perpetual Superlative Chronometer Officially Certified, Ref. 1005. Produced in the 1960's.Very fine, center-seconds, self-winding, water-resistant, tonneau-shaped, 9K yellow gold gentleman's wristwatch with yellow gold-plated Rolex buckle.

Rolex Oyster, Shock-Resisting, Ref. 6082. Produced in the1950's.Fine, center-seconds, water-resistant, yellow gold-plated and stainless steel gentleman's wristwatch.

Rolex Oyster Perpetual, Officially Certified Chronometer, Ref. 6085. Produced in the 1950's. Fine and rare tonneau-shaped, center-seconds, self-winding, water-resistant, 18K pink gold gentleman's wristwatch with an 18K pink gold Oyster bracelet.

Rolex Oyster Perpetual, Officially Certified Chronometer, Ref. 6085. Produced in the 1950's. Fine and rare tonneau-shaped, center-seconds, self-winding, water-resistant, 18K pink gold gentleman's wristwatch with an 18K pink gold Oyster bracelet.

Rolex Oyster Perpetual, Officially Certified Chronometer, Ref. 6085. Produced in the 1950's. Fine and rare tonneau-shaped, center-seconds, self-winding, water-resistant, 18K pink gold gentleman's wristwatch with an 18K pink gold Oyster bracelet.

Rolex, Oyster Perpetual, Officially Certified Chronometer, Ref. 6098. Produced in the 1950's. Fine tonneau-shaped, water-resistant, center- seconds, self-winding, 18K pink gold gentleman's wristwatch.

Rolex, Ref. 8405. Produced in the 1950's.Fine 18K pink gold chronometer gentleman's wristwatch.

Rolex, Ref. 28. Produced in the 1950's.Fine 18K white gold and diamond lady's wristwatch with a wide 18K white gold woven bracelet.

Tudor Prince Date, Rotor Self-Winding, Ref. 9850/7. Produced in the 1960's. Fine center-seconds, self-winding, 14K pink gold gentleman's wristwatch with date.

Rolex Oyster Perpetual DateJust, Superlative Chronometer Officially Certified, Ref. 6900. Produced in the 1990's.Fine center-seconds, self-winding, water-resistant, tonneau-shaped, 18K yellow gold and diamond lady's wristwatch with 18K yellow gold Président bracelet.

Rolex Oyster Perpetual DateJust, Superlative Chronometer Officially Certified, Ref. 69000 A. Produced in the 1990's.Fine center-seconds, self-winding, water-resistant, tonneau-shaped, 18K white gold lady's wristwatch with 18K white gold Président bracelet.

Rolex Oyster Perpetual Superlative Chronometer Officially Certified, Ref. 1005/1002. Produced in the 1960's.Very fine center-seconds, self-winding, water-resistant, tonneau-shaped, 18K yellow gold gentleman's wristwatch with yellow gold-plated Rolex buckle.

Rolex Oyster Perpetual Day-Date, Superlative Chronometer Officially Certified, Ref. 1803, 1970's. Production of this reference started in 1956. Fine center-seconds, self-winding, water-resistant, 18K yellow gold gentleman's wristwatch with day, date, and an 18K yellow gold President bracelet and clasp.

Rolex, Oyster Perpetual DateJust, Officially Certified Chronometer, Ref. 6305. Produced in the 1950's.Very fine and very rare, center-seconds, self-winding, water-resistant, tonneau-shaped, left-handed stainless steel and 18K white gold gentleman's wristwatch.

Rolex, Oyster Perpetual, DateJust, Ref. 1601. Produced in the 1970's.Fine, center-seconds, self-winding, water-resistant, tonneau-shaped, stainless steel and 18K pink gold gentleman's wristwatch.

Rolex, Oyster Perpetual, DateJust, Ref. 16000. Produced for the Saudi Arabian Armed Forces, from 1977 to 1988.Fine and rare, center-seconds, self-winding, water-resistant, tonneau-shaped, stainless steel and 18K white gold gentleman's wristwatch with a fabric bracelet.

Rolex Oyster Perpetual Day-Date Super-lative Chronometer Officially Certified, Ref. 18000. Produced in the 1970's.Very fine center-seconds, self-winding, water-resistant, tonneau shaped, 18K yellow gold, diamond and ruby gentleman's wristwatch with date and day, and with 18K yellow gold President bracelet set with 50 large round diamonds with a total diamond weight of approx. 9 cts and 23 baguette-cut rubies.

Rolex, Oyster Perpetual Date, 'Submariner', Superlative Chronometer Officially Certified, Ref. 1680, third generation. Produced in the late 1970's. Fine and rare center-seconds, self-winding, water-resistant to 200 meters/660 feet, 18K yellow gold gentleman's wristwatch with an 18K yellow gold Fliplock Oyster bracelet.

Rolex, Day-Date, Ref. 19000. Produced in the 1990's. Fine tonneau-shaped, center-seconds, water-resistant, 18K yellow gold and diamonds gentleman's quartz wristwatch with day/date and an 18K polished and brushed yellow gold integrated bracelet.

The Patriarchal CrossJ. Cusin, Nevers, circa 1640.Very rare and fine silver single-hand, pre balance spring form watch with concealed dial, in the shape of a cross.

Dumergue, Angoulesme, France, circa 1690.Fine and rare large silver single-hand oignon watch with alarm.

T. de Ribaucourt, Abeville, France, circa 1660.Fine and rare silver single hand pre balance spring pendant watch with concealed dial.

Jean Duhard A Bordeaux, circa 1700.Very fine and rare astronomical silver single-hand watch with full calendar and phases of the moon.

Richard Baker, London, circa 1690.Fine and rare leather covered gilt metal clock watch.

Roman CharityLes deux frères Huaut Les Jeunes, circa 1685Very fine 20K gold painted on enamel watch.

Leonard Bury A Basle, circa 1670.Very fine and rare single-hand,pre balance spring, astronomical, triple calendar alarm watch, with phases of the moon.

French, circa 1830.Very fine and rare skeletonized month-going table regulator with equation of time, annual calendar, one-minute remontoire and special gridiron compensation.

Valet AstronomiqueLepaute, Horloger de l'Empereur à Paris, No. 18/07 + 9, made in 1807.Very fine and very rare 8 day-going weight-driven center-seconds mahogany 'valet astronomique' longcase regulator.

RomulusRavrio a Paris, circa 1825.Very fine gilt brass mantel clock.

Blondeau, Bte du Roi, No. 5243, 'Retour d'Egypte'style.Very fine and rare veneered mahogany inlaid with ebony center-seconds table regulator with thermometer.

Le Roy & Fils, Palais Royal Gie Montpensieur 13-15, Paris, 296 Regency Street, London, No. 6666, circa 1870.Very fine gilt brass center dead-seconds hour and half-hour striking astronomical pendulum table clock with perpetual calendar, phases of the moon, thermometers in Centigrade and Fahrenheit scales, barometer and special escapement.

Unsigned, France, circa 1830Fine and rare eight day-going, hour and half-hour striking and hour repeating mahogany veneered with Brazilian rosewood traveling clock with single-tooth lever escapement, alarm and date.

Jules Jürgensen, Copenhagen, made in Switzerland, No. 13206, circa 1880.Very fine and rare, solid 18K gold hunting-cased keyless double-train, independent split-seconds stop watch with diablotine.

Imperial Presentation WatchPaul Buhre, Horloger de la Cour Impériale, Moscow and St. Petersburg, No. 2440, circa 1870.Very fine 18K gold diamond- and ruby-set, hunting-cased, keyless, astronomical, minute-repeating watch with chronograph, perpetual calendar with phases of the moon and its age. Accompanied by original wooden fitted box.

Jules Jürgensen, Copenhagen, made in Switzerland, No. 15402, circa 1902.Very fine and rare 18K gold hunting-cased minute-repeating watch with split-seconds chronograph and instan-taneous 60-minute register.

Jules Jürgensen, Copenhagen, made in Switzerland, No. 15469, circa 1902.Very fine 18K and enamel minute-repeating watch with split seconds chronograph and instantaneous 60-minute register.

Vacheron & Constantin, Genève, No. 358614, case No. 196429, circa 1911. Very fine 14K rose gold keyless pocket watch, accompanied by fitted leather box and original certificate.

Lot of three medals for 'Prix au chronometer' from Timing Contests of the Besançon Observatory.

Breguet, Paris, No. 3290, circa 1935.Very fine two-tone 18K gold and silver keyless lever chronometer, winner of gold medal and Bulletin de Premiere Classe in Besançon, with original gold medal, 'Bulletin de Marche' and box.

Breguet, No. 1971, Bulletin de 2ème classe de l'Observatoire de Besançon, sold to Bugatti on April 20, 1928. Very fine and important, keyless, silver, split-seconds chronograph watch with 60-minute register.

Breguet Type XX, No. 3406, with steel bezel. Produced in the 1950's. Fine, water-resistant, stainless steel aviator's wristwatch with retour en vol round button chronograph, registers and a stainless steel Breguet deployant clasp.

Blancpain, Tourbillon , No. 45/99. Produced in a limited edition of 99 examples in the 1990's. Very fine and important, 8-day power reserve, water-resistant platinum gentleman's wristwatch with one-minute tourbillon regulator, date, and a platinum Blancpain buckle.

Breguet Serpentine, No. 4895, Ref. 3040. Produced in the 1990's. Very fine and unusual astronomic, self-winding, 18K yellow gold gentleman's wristwatch with date, moon phases and age of the moon, and an 18K yellow gold Breguet deployant clasp.

Audemars Piguet, Genève, No. 64883, Ref. 7873. Produced in the 1960's. Very fine, 18K white gold and diamond gentleman's wristwatch.

Audemars, Piguet, Genève, No. 84135, made in 1962.Fine 18K white gold sapphire-set keyless dress watch.

Vacheron & Constantin, Genève, No. 471538, case No. 307276. Produced circa 1946.Very fine and rare, square, platinum and diamond gentleman's wristwatch.

Audemars Piguet, No. 12532, started in 1908, finished and encased in the 1950's.Very fine and important 18K gold keyless astronomical perpetual calendar dress watch with minute-repeater and phases of the moon and its age.

Audemars Piguet, No. 32774, made in 1925.Very fine and rare platinum keyless minute-repeating dress watch with split-seconds chronograph and 30-minute register.

Audemars Piguet, No. 28518, made for Tiffany in 1921.Very fine two-tone platinum and gold keyless astronomical dress watch with perpetual calendar and phases of the moon and its age.

Buèche-Girod, Swiss, Ref. YG 7744-1. Produced in the 1960's. Fine and unusual 18K yellow gold gentleman's wristwatch in the shape of a Lancia radiator grill with an 18K yellow gold buckle.

Unsigned, American with Swiss movement, circa 1930.Very fine and elegant 18K gold, enamel and agate Art Deco miniature 8 day-going desk clock.

Universal Genève, Monodate. Produced in the 1950's.Fine, center-seconds, water-resistant, stainless steel and yellow gold plated with and a yellow gold plated Universal buckle. Accompanied by a fitted box.

Universal Genève, Monodate. Produced in the 1950's.Fine, center-seconds, water-resistant, stainless steel and yellow gold plated with and a yellow gold plated Universal buckle. Accompanied by a fitted box.

Universal Genève, Automatic. Produced in the 1950's.Fine, center-seconds, self-winding, water-resistant, stainless steel and yellow gold plated gentleman's wristwatch with a yellow gold plated Universal buckle. Accompanied by a fitted box.

Zodiac, Powergraphic. Produced in the 1950's.Fine, center-seconds, water-resistant, stainless steel and yellow gold plated gentleman's wristwatch with 36 hours power reserve. Accompanied by a fitted box.

Zodiac, Powergraphic. Produced in the 1950's.Fine, center-seconds, water-resistant, stainless steel and yellow gold plated gentleman's wristwatch with 36 hours power reserve. Accompanied by a fitted box.

Zodiac, Glorious'. Produced in the 1950's.Fine, center-seconds, water-resistant, stainless steel and yellow gold plated gentleman's wristwatch. Accompanied by a fitted box.

Léon Hatot, No. 26147. Produced in the 1920's. Fine Art Deco rectangular, platinum, black lacquer and diamond lady's wristwatch.

Reverso, No. 19626. Produced in the 1930's. Fine and rare rectangular stainless steel lady's Art Deco wristwatch with with double cord leather bracelet.

Vacheron & Constantin, Genève, No. 615049, case No. 443855, Ref. 7402. Produced circa 1967.Very fine, hunting-cased, 18K white gold montre Couteau savonnette, extra thin keyless dress watch.

Rolex, Ref. 8792. Produced in the 1940's.Very fine and rare, 18K pink gold, sapphire, ruby and diamond lady's clip-watch representing a Hawaiian dancer holding on her head a symbol of the sun.

Eliakim, Le Caire. Produced in the 1950's.Fine lantern-shaped 18K yellow gold, ruby and diamond lady's clip watch.

Rolex Precision, No. L 79212. Produced in the 1950's.Fine, 18K platinum and diamonds lady's wristwatch with a black leather cord bracelet.

Dubey & Schaldenbrand, Index Mobile Produced in the 1960's. Fine and unusual, pink gold-plated and stainless steel gentleman's wristwatch with round button split-seconds chronograph, register, tachometer and telemeter.

Jaeger LeCoultre Memovox, Ref. 855. Production of this reference started in the 1950's.Fine center-seconds, self-winding, water-resistant, 18K yellow gold gentleman's wristwatch with alarm, date and two crowns

Universal Genève. Produced in the 1950's. Very fine diamond-set 18K pink gold lady's wristwatch with 18K pink gold matching bracelet and triple bean-shaped link elements.

International Watch Co., Schaffhausen, No. 1569044. Produced in the1950's. Fine, large, center-seconds, 18K pink gold gentleman's wristwatch.

Venus and AdonisHenry Arlaud, (Geneva), Geneva school enamel, circa 1670.Very fine and important painted on enamel 21K gold single-hand pre balance spring pendant watch.

The Triumph of Juno Pierre Pattey (Genève), enamel signed Huaud le puisné fecit, circa 1675.Very fine and important painted on enamel 21K gold single-hand pre balance spring watch.

Venus and AdonisPhillipus Van Ceule, Hagae, circa 1720, enamel signed P. Huaud fecit, circa 1670.Very fine and important painted on enamel 21K gold pendant watch.

J(osias) Barbette, (Copenhagen), pinxit Ao: 1692.Extremely fine painted on enamel miniature, possibly a portrait of Prince Frederick of Denmark, set in an 18K gold, tortoiseshell and enamel snuff box circa 1840.

Roman CharityDaniel Poeterik, Dordregk, circa 1730, enamel signed Les freres Huaut, circa 1685, made for the Dutch market.Very fine and rare painted enamel on copper, gilt metal and gold pair-cased watch.

Breant a Loches, No. 153, (German), circa 1750.Fine painted on Meissen porcelain, diamond-set gold watch.

Jn Le Roy A Paris, Paris, (German), circa 1750.Fine gold watch, painted on porcelain, with days of the week and date.

Benn Wood, London, No. 8741, (German), circa 1750.Fine painted on porcelain gilt metal watch.

Jas Vauloue, London, (German), circa 1750.Fine painted on porcelain, gilt brass pair-cased watch.

Jn Le Roy A Paris, (German), circa 1750.Fine painted on porcelain gold watch.

Jn Le Roy A Paris, (German), circa 1750.Fine painted on porcelain, diamond-set gold watch.

Markwick Markham, London, No. 12875, hallmarked 1752-53.Very fine silver tortoise covered triple-cased large watch, made for the Islamic market.

Edward Prior, London, No. 43802, made for the Islamic market, circa 1820.Fine 18K gold and enamel, set with diamond, quarter-repeating watch.

Le Roy (in Arabic characters), Swiss, circa 1825.Very fine 18K gold and enamel watch, made for the Islamic market.

La ComédieFrères Nicole à Genève, No. 162, case by George Reymond et Cie, Geneva, circa 1825, enamel attributed to Lissignol.Very fine and rare 18K gold painted on enamel musical snuff box.

Spinning StarMarcks & Co. Bombay & Poona, made by Tardy et Fils, Geneva, circa 1880.Very fine, rare and amusing, diamond-set, 18K gold, silver, enamel and natural pearl animated brooch.

French, Bongrand System, circa 1820.Fine and very unusual silver and gold manual perpetual calendar with equation of time and Réaumur thermometer.

Neuchâtel, Swiss, circa 1800.Very interesting dead center-seconds silver watch with pirouette escapement.

Unsigned, Neuchatel, circa 1800.Very fine 18K gold center-seconds watch with painted on enamel dial, manual perpetual calendar and signs of the Zodiac.

Gregson à Paris, 1794 or first half of 1795.Fine and very rare silver Revolutionary watch with decimal Revolutionary dial and traditional duo-decimal 24-hour dial.

Adamson à Paris, No. 842, circa 1790.Very fine and elegant, slim, 18K gold and enamel, pearl and diamond-set quarter-repeating watch, in a glazed gilt brass protecting case.