Cartier Style No: WHSA0044 Cartier Santos-Dumont Micro-Rotor Skeleton Watch - 43.5 mm x 31.4 mm Steel Case - Skeleton Dial - Black Leather Strap

43.5 mm x 31.4 mm steel case with black lacquer, 8.00 mm thick, beaded steel crown set with a sapphire cabochon, sapphire crystal and caseback, skeleton dial, automatic mechanical movement, approximately 44 hours of power reserve, black alligator leather strap, steel ardillon buckle. Water resistant to 3 bar (approx 30 meters/100 feet).