Cartier Rotonde de Cartier Annual Calendar Watch - 45 mm White Gold Case - Slate Dial - Brown Alligator Strap - W1580001 Decorated brushed ceramic bezel with matt

brushed ceramic bezel with matt chromium nitride tachymeter scale

unidirectional rotating bezel with black ceramic insert

caliber 9916 MC self-winding mechanical movement

diamond crown

Cartier Rotonde de Cartier Annual Calendar Watch - 45 mm White Gold Case - Slate Dial - Brown Alligator Strap - W1580001 Decorated brushed ceramic bezel with matt45 mm by 14 mm thick 18K white gold case, sapphire back, beaded crown set with sapphire cabochon, sapphire crystal, slate dial with silvered open work grid and Roman numerals with blued hands, caliber 9908 MC automatic movement with annual calendar complication, days and months indicated by a hand, large date at 12 o'clock, brown alligator strap with 18K pink gold buckle, buckle double deployant. Water resistant to 30 meters.