Zenith — Chronomaster

Zenith Chronomaster El Primero Full Open

Zenith Chronomaster El Primero Full Open 42, openworked dial, black alligator strap.

Open in The Dial Atlas

Zenith Chronomaster El Primero Full Open 03.2081.400/78.C813

Reference03.2081.400/78.C813

BrandZenith

FamilyChronomaster

Produced2017–2023

StatusDiscontinued

Editorial context

Stories featuring 03.2081.400/78.C813

Follow this reference into the histories, collector guides, and cultural stories where it matters.

Zenith — 9 min readZenith Chronomaster: El Primero, the Attic, and the 1/10th-Second IdeaA connected history of Zenith Chronomaster, from the 1969 El Primero A384, A385, and A386 to the quartz-crisis survival story, Revival models, Chronomaster Original, and Chronomaster Sport with the modern El Primero 3600.