The high-frequency El Primero 21 1/100th chronograph crafted in a light yet rugged 44mm black ceramic DEFY case with a black rubber strap. Its automatic movement features two independent high-frequency escapements beating at 50Hz for the chronograph function and 5Hz for timekeeping.
![Zenith Defy 21 - 49.9000.9004/78.R582](/uploads/pics/20241112/zenith-defy-21-49-9000-9004-78-r582.webp)
Zenith Defy 21 - 49.9000.9004/78.R582
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