Pre-Owned Cartier Tortue Perpetual Calendar (W1540551) self-winding automatic watch, features a 34mm x 43mm platinum case surrounding a silver dial on a black alligator strap with an 18k white gold deployant buckle. Functions include hours, minutes, day, date, month, perpetual calendar and GMT. This watch has been serviced and does not come with box or papers. Time remaining on the Manufacturer's service warranty! This watch will be ready to ship in 5-7 days!