Rotonde de Cartier Astrocalendaire watch, flying tourbillon and perpetual calendar, 45 mm, Manufacture mechanical movement with automatic winding 9459 MC. Case in 18K pink gold, beaded 18K pink gold crown set with a blue sapphire cabochon, 18K white gold sunray guilloché dial, blued-steel sword-shaped hands. Gray alligator skin strap, double adjustable folding 18K pink gold buckle. Circular-display perpetual calendar and flying tourbillon complications, watch and movement certified "Poinçon de Genève". Individually numbered movement consisting of 382 parts including 51 jewels. Total diameter of movement: 32 mm, movement thickness: 8.1 mm, balance: 21,600 vibrations/hour, power reserve approx. 50 hours. Sapphire crystal and case back. Case thickness: 15.1 mm. Water-resistant to 3 bar (approx. 30 meters).
The Rotonde de Cartier collection showcases the most advanced movements in Cartier Fine Watchmaking: the Astrorégulateur, minute repeater, Astrotourbillon and skeleton grande complication.