Rotonde de Cartier Mysterious Double Tourbillon watch, 45 mm, Manufacture manual winding mechanical movement, caliber 9454 MC, certified "Poinçon de Gèneve". 18K pink gold case, beaded 18K pink gold crown set with a blue sapphire cabochon, white galvanized guilloché dial, silvered brushed openwork grid with sunray effect, blued-steel sword-shaped hands. Brown alligator skin strap, double adjustable folding 18K pink gold buckle. Mysterious double tourbillon complication. Movement consisting of 242 parts including 25 jewels. Movement diameter: 35.5 mm, movement thickness: 5 mm, balance: 21,600 vibrations/hour, power reserve approx. 52 hours. Sapphire crystal and case back. Case thickness: 12.37 mm. Water-resistant to 3 bar (approx. 30 meters/100 feet).
The Rotonde de Cartier watch showcases the most sophisticated movements in Fine Watchmaking: a central chronograph, flying tourbillon, and astrorégulateur.