Defy Skyline Chronograph
Ref. 03.3105.3600/69.C194
Zenith's answer to the integrated bracelet sports chrono. The star-shaped rotor visible through the caseback spins at 36,000 vph.
Specifications
About Zenith
The El Primero Pioneer
Zenith's El Primero, launched in 1969, was the world's first automatic chronograph movement — and it beat at 36,000 vibrations per hour, enabling 1/10th of a second measurement precision that competitors wouldn't match for decades. During the quartz crisis, a Zenith watchmaker famously hid the El Primero tooling behind a wall, preserving the caliber for posterity. When mechanical watches revived, Zenith had the only high-frequency automatic chronograph ready to go. Rolex licensed the El Primero for the Daytona from 1988 to 2000. Today Zenith pushes the Defy line into contemporary territory while the Chronomaster preserves the El Primero legacy. An essential brand for chronograph enthusiasts.
El Primero: world's first automatic chronograph movement (1969). 36,000 vph high-frequency beating. El Primero tooling saved during quartz crisis by Charles Vermot.
Vintage El Primero A386 references are strong performers at auction. Modern Chronomaster and Defy offer excellent movement-per-dollar value in the luxury chronograph space.
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