Rotonde de Cartier Astrotourbillon skeleton watch, 47 mm, Manufacture manual winding mechanical movement, calibre 9461 MC. 18K white gold case case, beaded 18K white gold crown set with a blue sapphire cabochon, Roman numeral dial formed from the bridges of the movement, blued-steel sword-shaped hands. Black alligator skin strap, double adjustable folding 18K white gold buckle. Astrotourbillon complication with rotation of the carriage in one minute, skeletonised bridges forming Roman numerals. Movement consisting of 233 parts including 23 jewels. Movement diameter: 40.1 mm, movement thickness: 9.01 mm, balance: 21,600 vibrations/hour, power reserve approx. 52 hours. Sapphire crystal and case back. Case thickness: 15.8 mm. Water-resistant to 3 bar (30 metres).
The Rotonde de Cartier collection showcases the most advanced movements in Cartier Fine Watchmaking: the Astrorégulateur, minute repeater, Astrotourbillon and skeleton grande complication.