Introducing Zenith’s El Primero Caliber 410 Triple Calendar Chronograph – an Icon Reintroduced

Those who love a precision instrument will be thrilled with the new Zenith Calibre 410 that recalls the original powerhouse introduced in 1969. That same year that men walked on the moon, Zenith unveiled a revolutionary new movement that had been seven years in the R&D stages. The watch – code named the El Primero…

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