Zenith Defy Double Tourbillon Carbon 10.9000.9020/79.R918 Limited Edition of 50. 46 mm black carbon case. Black and blue dial features 30-minute counter at 3 o’clock, 60-second counter at 6 o’clock, 1-minute Tourbillon cage at 8 o’clock for Watch and 5-second Tourbillon cage at 10 o’clock for Chronograph, power reserve indicator at 12 o’clock. Central chronograph hand that makes one turn each second. Automatic Swiss Made. Zenith Caliber El Primero 9020, 61 jewels, 311 parts, estimated power reserve of 50 hours. Blue and black rubber strap with folding buckle.