It seems like watch brands are evermore embracing all types of diverse horology communities by developing custom limited editions. The latest example of this trend has occurred in Silicon Valley, where a group known as the “Collective” has opted for mechanical watches instead of the more “techie” smart watches. As a sign of appreciation Zenith has released the “Chronomaster El Primero C.01”.


The 38mm case is made of stainless-steel with a brushed and polished finish, while on the flip-side we encounter a see-through sapphire crystal exhibition case back, which allows to view the inner works of the mechanical movement.


They have preserved the case bands and the distinctive lugs, which have been a mainstay on this model throughout most of its iterations. It also comes equipped with two mushroom-style push-pieces to operate the chronograph functions. All topped by a sapphire crystal with an anti-reflective coating, which also assists with water-resistance on this watch reaching up to 100 meters (330 feet).


Time is exhibited on a white dial with steel applied hour index markers, followed by small white printed minute markers on a grey ring background. Subsequently is a white ring circling the periphery of the dial with a tachymeter scale.

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It also includes three grey sub-dials: a 30-minute counter at the 3 o’clock spot, a 12-hour counter at the 6 o’clock position; and a sub-seconds at the 9 o’clock position in silver.


The central steel hour/minutes baton-style hands and hour index markers have all been fitted with a luminescent filling, for an enhanced legibility.


Zenith Chronomaster El Primero C.01

This “Zenith Chronomaster El Primero C.01” (Ref#: 03.2151.4061/80.R825) is powered by the in-house self-winding mechanical movement, caliber El Primero 4061 with 31 jewels, 282 components and 28,800 vph. Power reserve on this watch can last up to 50 hours, when fully wound.


Mounted to the case is a black strap with exposed matching stitching, while secured to the wrist by a steel buckle. This is a limited edition of only 50 manufactured pieces, exclusively produced for members of Collective. For more up to date information visit the official Zenith website here.

MSRP: $6,850.00 USD

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Zenith, Chronomaster , El Primero, Collective, Silicon Valley, Luxury Watches

Written by Mauro Az