Rotonde de Cartier mysterious double tourbillon watch, 45 mm, Manufacture manual winding mechanical movement, calibre 9454 MC, certified "Poinçon de Gèneve". Platinum case, bezel set with 72 brilliant-cut diamonds totalling 1.26 carats, platinum crown set with a brilliant-cut faceted diamond of 0.20 carats. Rhodium-finish 18K white gold dial set with 568 brilliant-cut diamonds totalling 1.97 carats. Blued-steel sword-shaped hands. Sapphire crystal. Alligator skin strap, double adjustable folding rhodium-finish 18K white gold buckle set with 43 brilliant-cut diamonds totalling 0.42 carats. Mysterious double tourbillon complication. Individually numbered movement consisting of 242 parts including 25 jewels. Movement diameter: 35 mm, movement thickness: 5 mm, balance: 21,600 vibrations/hour, power reserve approx. 52 hours. Sapphire case back. Case thickness: 12.45 mm. Water-resistant to 3 bar (approx. 30 metres).
The Rotonde de Cartier watch showcases the most sophisticated movements in Fine Watchmaking: a central chronograph, flying tourbillon, and astrorégulateur.