Tank Louis Cartier watch, medium model, high autonomy quartz movement (approx. 7 years). 18K yellow gold (750/1000) case, beaded crown set with a sapphire, grained silvered dial, blued-steel sword-shaped hands, mineral crystal, dark gray alligator leather strap, 18K yellow gold (750/1000) ardillon buckle. Case dimensions: 33.7 mm x 25.5 mm. Thickness: 6.3 mm. Water-resistant to 3 bar (30 meters/100 feet).