Zenith Chronomaster El Primero Full Open

With El Primero Zenith in 1969 he set an important record: the first automatic movement with integrated chronograph and, as if that were not enough, with a frequency of 5 Hz, a speed that allowed him to detect time intervals at the tenth of a second. Description Novelty 2017, Zenith Chronomaster El Primero Full Open is one of the many variations of the legendary Swiss chronograph which, as its name states (full open) offers thanks to a skeleton dial a complete view of the El Primero 400 movement. However it is not to be confused with the new Chronomaster El Primero Grande Date Full Open. However, these new totally open versions retain some classic features of ... Read More

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