Platinum case. Black hand-sewn full grain alligator strap. Guilloche silvered dial with central rose motif. 18kt white gold octagonal crown set with a faceted sapphire. 18kt white gold adjustable deployment buckle. Perpetual calendar with two time zones complications. Scratch resistant sapphire crystal. Transparent caseback. Case diameter 25.6mm. Case thickness 4.8mm. Automatic movement. Water resistant at 30 meters (100 feet). Cartier Tortue Perpetual Calendar Two Time Zone Platinum Mens Watch W1540551 