Tank Louis Cartier watch, medium model, Manufacture mechanical movement with manual winding. Case in 18K yellow gold (750/1000), beaded crown set with a sapphire, black lacquer dial, sword-shaped hands in golden-finish steel, mineral crystal, semi-matte black alligator leather strap, ardillon buckle in 18K yellow gold (750/1000). Case dimensions: 1.32”x 1”. Thickness: 0.25”. Water-resistant up to 3 bar (approx. 30 meters/100 feet).