A timepiece shrouded in mystery. Its existence has eluded collectors and Zenith collaborators alike for decades. As the legend goes, in 1970, not long after Zenith debuted the groundbreaking El Primero calibre, the manufacture had produced a prototype of a manual-winding chronograph, housed in a blackened steel case – a rarity for the time. Only a handful of this spectral prototype was made, but the model was never officially produced or commercialized. Many watchmakers and longtime employees of Zenith had heard of and even seen one of the rare prototypes, even though official records about this piece are extremely scarce.

The Chronomaster Revival “Shadow” reimagines what could have been, rather than directly reproducing a historical Zenith timepiece. Inspired by the obscure black chronograph prototype from 1970, the Shadow is housed in a 37mm case, a faithful reproduction of the very first watch fitted with the El Primero, the A384. But instead of the traditional choice of stainless steel with a superficial layer of black coating, Zenith has opted for micro-blasted Titanium, bringing out the dark grey nuances of the lightweight yet highly durable metal with its completely matte finish. And unlike the prototype from 1970, which feature a manual-winding chronograph movement, the Chronomaster Revival Shadow features the most prolific automatic chronograph ever made, the El Primero, visible through the display back.

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