Description
Zenith Chronomaster Sport 03.3100.3600/21.R951
The result of over 50 years in mastering the automatic high-frequency chronograph movement. The latest version of the El Primero calibre, dubbed the El Primero 3600, operates at the high frequency of 5Hz, with the ability to offer a true 1/10th of second indication. Its autonomy has also been efficiently extended to a power reserve of 60 hours.