Rotonde de Cartier skeleton watch with mysterious display

Rotonde de Cartier Mysterious Hour Skeleton 42 mm watch, Manufacture mechanical movement with manual winding, calibre 9983 MC. Rose gold 750/1000 case, beaded rose gold 750/1000 crown set with a sapphire cabochon, rose gold 750/1000 steel sword-shaped hands. Dark grey semi-matte alligator-skin strap (comes with an additional black semi-matte alligator-skin strap), interchangeable rose gold 750/1000 folding buckle. Mysterious complication with mysterious display of the hour and minute hands, skeletonised bridges forming Roman numerals, rose gold 750/1000 movement grid. Movement consisting of 181 parts including 27 jewels. Total diameter of movement: 36.7 mm, movement thickness: 6.15mm, balance: 28,800 vibrations/hour, power reserve approx. 48 hours. Sapphire crystal and case back. Case thickness: 11.9 mm. Water-resistant to 3 bar (approx. 30 metres).