Cartier Rotonde de Cartier Perpetual Calendar Watch - 40.5 mm Gold Case - W1556218 Tungsten tang buckle

tang buckle

caliber 9750 MC manual movement with calendar aperture and power reserve indicator

BRAND Audemars Piguet SERIES Royal Oak Selfwinding MODEL NUMBER 77350ST

seven sided crown set with a sapphire

Cartier Rotonde de Cartier Perpetual Calendar Watch - 40.5 mm Gold Case - W1556218 Tungsten tang buckle40. 5 mm by 13 mm thick 18K gold case, sapphire back, beaded crown set with sapphire cabochon, sapphire crystal, white dial with silvered open work grid, Roman and Arabic numerals with blued hands, caliber 9422 MC automatic movement with perpetual calendar complication, days indicated by a retrograde hand, months and leap years in a counter at 12 o'clock, black alligator strap with 18K white gold buckle, buckle double deployant. Water resistant to 30