Limited and numbered edition of 30 pieces. 18kt rose gold case. Black hand-sewn full grain alligator strap. Silvered guilloche dial with central rose motif. Tourbillon and single push-piece chronograph complications. 18kt rose gold octagonal shaped crown set with a faceted sapphire. 18kt rose gold adjustable deployment buckle. Transparent caseback. Scratch resistant sapphire crystal. Case size 32.34mm x 32.34mm. Case thickness 7.65mm. Mechanical movement with manual winding. Water resistant at 30 meters (100 feet). Cartier Tortue Tourbillon Limited Edition Chronograph Single Push Piece 18kt Rose Gold XL Men's Watch W1548151