Rotonde de Cartier Annual Calendar watch
Rotonde de Cartier annual calendar watch, 40 mm, Manufacture self-winding mechanical movement, calibre 9908 MC. 18K rose gold case, beaded 18K rose gold crown set with a blue sapphire cabochon, white galvanised guilloché dial, blued-steel sword-shaped hands, hammer-shaped hand with a red tip. Brown alligator skin strap, double adjustable folding 18K rose 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 (30 metres).