22.02.2008 DEFY XTREME 2008 Defy Xtreme Tourbillon ZERO-G El Primero Finding the system that will do for wrist watches what the Tourbillon did for pocket watches is one of the great challenges of the 21st Century. Since the beginning, the best...
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22.02.2008 DEFY XTREME 2008 Defy Xtreme Tourbillon ZERO-G El Primero Finding the system that will do for wrist watches what the Tourbillon did for pocket watches is one of the great challenges of the 21st Century. Since the beginning, the best watchmakers have tried to defy the effects of gravity, that sworn enemy of accuracy. In a veritable technical revolution, ZENITH Manufacture has devised the Zero-G system, in other words zero gravity! The gyroscope cage Tourbillon comprises an escapement mounted on cardan joints rather like marine chronometers. The instrument, which is sensitive to changes of position, is kept in a constant horizontal position, thereby ensuring optimal amplitude for the spiral balance-wheel. Coordination is provided by an invention patented by ZENITH: a second gear train is the reference point for the swinging of the escapement axles and a differential gear with inverter compensates all the relative movements of the framework. The Zero-G Tourbillon, whose cage... See less 
Highlights:
Price: $500,000
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