Rotonde de Cartier watch

Rotonde de Cartier Skeleton watch, 42 mm, Manufacture mechanical movement with automatic winding, calibre 9621 MC. Titanium case, beaded crown set with a green tourmaline cabochon, black steel sword-shaped hands with luminescent material. Green alligator-skin strap, steel double adjustable folding buckle. Titanium skeletonised bridges forming Roman numerals. Green lacquer dial. Individually numbered movement consisting of 165 parts including 28 jewels. Movement diameter: 31 mm, movement thickness: 5.6 mm, balance: 28,800 vibrations/hour, power reserve approx. 48 hours. Sapphire crystal and case back. Case thickness: 11.8 mm. Water-resistant to 3 bar (approx. 30 metres).