Zenith Defy Extreme Double Tourbillon Watch - 45 mm Carbon And Gold Case - Openworked Dial - Black Rubber Strap - 12.9100.9020/78.I200

45 mm carbon and gold case, openworked dial, El Primero movement with, approximately 50 hours of power reserve, black rubber strap, microblasted titanium triple folding buckle. Water resistant to 20 ATM.