Rotonde Astromystérieux watch with baguette-cut stones
Rotonde de Cartier Astromystérieux watch, 43.5 mm, Manufacture mechanical movement with manual winding, calibre 9462 MC. Platinum 950‰ case, platinum 950‰ bezel set with 60 baguette-cut diamonds totalling 2.36 carats, beaded platinum 950‰ crown set with a brilliant-cut diamond of 0.14 carats, sunray guilloché dial, apple-shaped hands. Black alligator-skin strap, 18K white gold double adjustable folding buckle set with 37 baguette-cut diamonds totalling 0.85 carats. Astromystérieux complication: mysterious central tourbillon, consisting of the escapement, balance, main geartrain and barrel, and completing one full revolution in one hour. Individually numbered movement consisting of 408 parts, including 188 ball bearings and 25 rubies. Movement diameter: 39 mm, movement thickness: 5.9 mm, balance: 21,600 vibrations/hour, power reserve approx. 50 hours. Sapphire crystal and case back. Case thickness: 12 mm. Water-resistant to 3 bar (approx. 30 metres).