The Cartier Tank is a luxury watch created by French luxury jeweler and watch manufacturer Cartier. The collection was first introduced in 1917, and it was inspired by the design of tanks used during World War I. The Tank watches feature a classic and elegant design, with a distinct rectangular shape and a large, easy-to-read dial. The collection includes a range of models, including the Tank Louis Cartier, Tank Americaine, Tank Solo and Tank Francaise. The watches are powered by high-precision Swiss-made movements and are available in a variety of finishes and materials, including stainless steel, gold, and diamonds. The Tank watches are known for their timeless design and high-quality craftsmanship, and are suitable for both everyday wear and special occasions. The Tank collection is a perfect blend of classic and modern design, and has become a popular choice among watch enthusiasts and collectors.