Cartier Rotonde de Cartier Skeleton Flying Tourbillon Numbered Edition of 100 Watch 45mm 18K white gold case, 12.35mm thick, sapphire back, circular grained in 18K white gold crown set with a sapphire, sapphire crystal, dial with roman numerals formed by the bridges of the movementand sword-shaped blued-steel hands, caliber 9455 MC manual movement, approximately 50 hours of power reserve, black alligator strap, double adjustable deployant buckle in 18K white gold. Water resistant to 30 meters.