Rotonde de Cartier Mystery Movement watch, 42 mm, Manufacture mechanical movement with manual winding 9981 MC. 18K white gold case, beaded crown set with a sapphire cabochon, white galvanized guilloché dial, silvered openwork satin-brushed grid with sunray effect and black transferred Roman numerals, rhodiumized steel sword-shaped hands. Black alligator-skin strap with double adjustable 18K white gold folding buckle. Mystery complication with mystery display of hour and minute hands. Individually numbered movement comprised of 158 parts including 27 jewels. Movement diameter: 31.9 mm, movement thickness: 4.61 mm, balance: 28,800 vibrations/hour, power reserve approx. 48 hours. Sapphire case back. Case thickness: 11.6 mm. Water-resistant to 3 bar (30 meters/100 feet).
The Rotonde de Cartier collection showcases the most advanced movements in Cartier Fine Watchmaking: the Astrorégulateur, minute repeater, Astrotourbillon and skeleton grande complication.