Limited and numbered edition of 50 pieces. Extra large size. Platinum case. Black hand-sewn full grain alligator strap. Guilloche silvered dial with central rose motif. Tourbillon. retrograde hours and minutes complications. 18kt white gold octagonal crown set with a faceted sapphire. Platinum adjustable deployment buckle. Scratch resistant sapphire crystal. Transparent caseback. Case diameter 28.6mm. Case thickness 5mm. Automatic movement. Water resistant at 30 meters (100 feet). Cartier Tortue Tourbillon Limited Edition Ascensionnel Platinum Mens Watch W1549751 