Made for the elements
The DEFY Extreme collection combines the superior performance of the El Primero 21 high-frequency 1/100-second chronograph caliber with a body that exudes durability, flexibility and a passion to explore new horizons.
A high frequency revolution
The El Primero 21 is the culmination of over 50 years of perfecting the automatic chronograph in Zenith production. Equipped with two regulating organs and escapements, one that beats at 5 Hz for timekeeping and the other at an incredible 50 Hz to deliver true 1/100th of a second chronograph display, the El Primero 21 is the chronograph caliber of the 21st century.
Stronger, bolder and more powerful design 1/100th of a second Chronograph movement Exclusive dynamic signature of one rotation per second for the Chrono hand 1 escapement for the Watch (36,000 VpH - 5 Hz) ; 1 escapement for the Chronograph (360,000 VpH - 50 Hz) Certified Chronometer New Interchangeable strap system 2 straps included : 1 Rubber with folding buckle & 1 Velcro Sapphire dial Screwed-in crown
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