One-of-a-kind model developed by the Manufacture and the only prototype ever produced to develop and test the El Primero Stratos designed for Felix Baumgartner and which has become the first-ever supersonic watch.
In 1969, Zenith effectively launched the El Primero calibre by placing it on the landing gear of a Boeing 747 on the famous Paris-New York flight. Fully living up to the high expectations for this legendary movement, the watch was running as smoothly upon arrival as it had at the time of departure.
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In 2012, it was from even higher, on the very edge of space, that Manufacture achieved a new historical feat as the creator of the very first watch to break the sound barrier (attaining a speed of Mach 1.25) in direct contact with the exterior. Resistant to sudden changes in pressure and temperature, as well as to extreme vibrations, this exceptional watch is a concentrated blend of the brand’s identity codes: the three colours of the iconic counters are all there; the mechanism beats at the high frequency of the El Primero movement, the world’s first automatic chronograph calibre; and the model also features the Flyback and Striking 10th (displaying tenths of a second via the sweep seconds-hand) functions.
Source: Zenith