Zenith
Chronomaster OPEN chronomaster-open-03-3300-3604-21-c822
Current Production
Retail: $10,600
The CHRONOMASTER Open offers a view of the beating heart of the El Primero movement from the dial. Crafted in a sleek 39.5mm steel case, this version features a matte black dial with tricolour counters and a transparent counter for the running seconds, paired with a black cordura-effect rubber strap. Powered by the El Primero 3604 1/10th of a second automatic chronograph movement.
Source: Zenith website, last updated Mar 2026
Other References in this Collection
View all 6 references→Chronomaster OPEN
chronomaster-open-03-3300-3604-21-m3300Chronomaster OPEN
chronomaster-open-03-3300-3604-51-m3300Chronomaster OPEN
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chronomaster-open-03-3300-3604-69-m3300Chronomaster OPEN
chronomaster-open-18-3300-3604-69-c922
Chronomaster ORIGINAL
chronomaster-original-03-3200-3600-21-c903More Zenith Forum Listings
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![[WTS] 2022 Zenith Defy Skyline Black Dial 41mm 03.9300.3620/21.I001 - Full Set](/_next/image?url=https%3A%2F%2Fi.redd.it%2Frnv2e0uf6nrg1.jpg&w=1200&q=75)
Zenith Chronomaster — eBay Listings
More Zenith Watches
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Chronomaster ORIGINAL
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Chronomaster REVIVAL EL
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![[WTS] NEW 2026 ZENITH DEFY SKELETON COMPLETE SET UNWORN BLUE DIAL](/_next/image?url=https%3A%2F%2Fi.redd.it%2Fch8af3aowarg1.jpg&w=1200&q=75)
