Rotonde de Cartier Astrotourbillon watch

Rotonde de Cartier Astrotourbillon skeleton watch, 47 mm, Manufacture mechanical movement with manual winding, 9461 MC. Case in 18K rose gold, beaded 18K rose gold crown set with a sapphire cabochon, gold-finish sword-shaped hands. Semi-matte gray alligator-leather strap, interchangeable deployant buckle 18K rose gold. Astrotourbillon complication with rotation of the cage in one minute, skeletonized bridges forming Roman numerals. Movement consisting of 233 parts including 23 jewels. Movement diameter: 40.1 mm, movement thickness: 8.89 mm, balance: 21,600 vibrations/hour, power reserve approx. 52 hours. Sapphire crystal and case back. Case thickness: 14.9 mm. Water-resistant to 3 bar (approx. 30 meters). Limited edition of 30 individually numbered pieces.