Rotonde de Cartier annual calendar watch, 40 mm, Manufacture self-winding mechanical movement, caliber 9908 MC. 18K white gold case, beaded 18K white gold crown set with a blue sapphire cabochon, gray galvanized guilloché dial, blued-steel sword-shaped hands, hammer-shaped hand with a red tip. Black matte alligator skin strap, double adjustable folding 18K white gold buckle. Annual calendar complication with days indicated by a hammer-shaped hand and months by a disc, large date at 12 o'clock. Movement consisting of 291 parts including 32 jewels. Movement diameter: 30 mm, movement thickness: 5.9 mm, balance: 28,800 vibrations/hour, power reserve: approx. 48 hours. Sapphire crystal and case back. Case thickness: 13.26 mm. Water-resistant to 3 bar (approx. 30 meters/100 feet).
Imbued with the spirit of a Creator of Fine Watchmaking, the Cartier Manufacture never stops reinventing the traditional functions. This has been confirmed once again in the design of the 9908 MC Annual Calendar movement. This caliber has been entirely conceived and produced by Cartier development teams in order to incorporate the most important operating characteristics of an annual calendar: readability and functionality.