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First Look – The Double-Signed Zenith G.F.J. Calibre 135 with Naoya Hida & Co.

When Zenith, celebrating its 160th Anniversary, revived the Calibre 135 in 2025 with the launch of the G.F.J. collection, the manufacture brought back one of the most important precision movements, a calibre that dominated observatory chronometry competitions throughout the 1950s and remains the...