This Cartier model ref: WHSA0015 is the rare Santos De Cartier Skeleton, large model; Manufacture mechanical movement with manual winding, calibre 9611 MC. The stainless steel case is 39.8mm with seven-sidedcrown set with a faceted sapphire, blued-steel sword-shaped hands, sapphire crystal and case back. This model comes with two interchangeable bracelets (with 'SmartLink' adjustment system), one full steel and the second blue Alligator skin with interchangeable steel folding buckle. Both straps are fitted with the "QuickSwitch" interchangeable system. The dial features skeletonised bridges that form Roman numerals. The movement is made of 138 individually numbered parts, including 20 jewels. This unworn watch comes with the original box and papers, a 2-year Cagau warranty, and the time remaining on the manufacturer's warranty.