Rotonde de Cartier Central Chronograph watch, 42 mm, Manufacture mechanical movement with manual winding 9907 MC. 18K white gold case, beaded crown set with a sapphire cabochon, silver-toned and slate-colored satin-brushed lower dial with sunray effect, silver-toned and slate-colored guilloché upper dial held by a sapphire crystal, blued-steel sword-shaped hands. Black alligator-skin strap with adjustable 18K white gold folding buckle. Chronograph complication with central functions display. Individually numbered movement comprised of 227 parts including 35 jewels. Movement diameter: 26.2 mm, movement thickness: 7.10 mm, balance: 28,800 vibrations/hour, power reserve approx. 50 hours. Sapphire case back. Case thickness: 14.2 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.