The Lange Zeitwerk is a luxury watch made by the German watch manufacturer A. Lange & Söhne. It was first introduced in 2009 and it is known for its unique and innovative time display. The Zeitwerk features a digital time display, with hours and minutes indicated by jumping numerals on two separate windows. The watch also features a power reserve indicator and small seconds subdial. The watch is powered by a manually wound movement, which is crafted in-house by A. Lange & Söhne. The Lange Zeitwerk collection includes various models, such as Lange Zeitwerk Decimal Strike and Lange Zeitwerk Minute Repeater. Each model has its own unique features, but all of them embody the brand's commitment to precision, craftsmanship, and attention to detail.