Zenith Chronomaster El Primero Steel — Sunray Blue Dial | Ref. 03.20416.4061/51.C802

Born from a legend, the Chronomaster El Primero Open carries the beating heart of modern horology — the iconic El Primero 4061 calibre, the world's first automatic high-frequency chronograph movement, oscillating at 36,000 vibrations per hour. Introduced by Zenith in 1969, this mechanism remains among the most celebrated in the watch industry, and this 42 mm stainless steel expression lets that heritage speak without reservation. The open-dial architecture reveals the column wheel and lateral clutch directly beneath the sapphire crystal, inviting the eye into the machine's most intimate workings.

The dial wears a deep, sunray-brushed blue that shifts from rich cobalt at the centre to soft cerulean at the edges — a chromatic journey that mirrors the endless sky Zenith has long aspired to reach. Tri-colour chronograph counters provide both legibility and visual drama, their tones coordinated with the signed blue fabric strap woven with subtle grey and white threads. The triple-folding stainless steel buckle ensures a confident fit on the wrist, while water resistance rated to 10 ATM means this timepiece is as capable in daily life as it is refined at the dinner table.

Priced at $7,195, the Chronomaster El Primero Open represents exceptional value for a manufacture chronograph with proven provenance. Approximately 50 hours of power reserve and a heritage stretching back over a century make this one of the most intellectually satisfying choices in Zenith's contemporary lineup. For those who understand that true watchmaking is about movement — both mechanical and emotional — this reference is a compelling answer to the question of what a sports chronograph can be when tradition and innovation are perfectly balanced.