Cartier Tank Cintree Skeleton Watch - Platinum Case - White Dial - Black Alligator Strap - WHTA0009platinum case, 8mm thick, sapphire back, beaded crown with a sapphire cabochon, mineral crystal, white dial with hours and minutes and skeletonized curved movement following the shape of the case, caliber 9917 MC manual movement skeletonized and curved movement following the shape of the case, the barrel and the balance are inclined so they can follow the shape of the movement, approximately 60 hours of power reserve, black alligator skin strap, 18K