Zenith Watch El Primero. Automatic el primero column wheel chronograph el primero calibre 400 b. The el primero 21 is the culmination of over 50 years of perfecting the automatic chronograph at the zenith manufacture.
Automatic el primero column wheel chronograph el primero calibre 400 b. It was one of the first automatic chronograph movements and has a frequency of 36 000 vibrations per hour 10 hz. English usd new models.
The model with reference number 18 2280 4035 01 c713 costs almost 55 000 euros new.
326 components 31. Equipped with two regulating organs and escapements one beating at 5hz for timekeeping and the other at an incredible 50hz to offer a true 1 100th of a second chronograph display the el primero 21 is the chronograph. Zenith el primero watches 30 matches found. English usd new models.