Tank Louis Cartier watch, small model, quartz movement. 18K yellow gold (750/1000) case, beaded crown set with a sapphire cabochon, silver-grained dial, blued-steel sword-shaped hands, mineral crystal, alligator-skin strap 18K yellow gold (750/1000) ardillon buckle. Case dimensions: 29.5 mm x 22 mm, thickness: 6.35 mm. Water-resistant up to 3 bar (30 meters/100 feet).