Zenith Defy Extreme Double Tourbillon – 12.9100.9020/78.I200

High-frequency Haute Horlogerie in its most rugged form: the DEFY Extreme Double Tourbillon features a 1/100th of a second chronograph in carbon fibre and rose gold case, with a 60-second tourbillon driving the time and a 5-second tourbillon driving the chronograph for ultimate precision.