The large date at 2 o’clock – shown by two concentric discs with cut-out numerals – is read off against a bright red background in an engraved aperture, while the slim red-tipped central sweep-seconds hand adorned with the emblematic Zenith star sweeps over this perfectly clear display. A silver-toned inner bezel ring surrounded by a blue ring, a black and white minute scale, along with luminescent facetted hands and hour-markers, all contribute to ensuring optimal legibility, yet without obscuring the view of the fascinating inner workings. The crystal-clear sapphire dial features two transparent blue- and grey-tinted counters – the aesthetic signature of the original 1969 model and shows the moon & sunphases on twin discs at 6 o’clock. This modern architecture with its striking red accents is designed to be admired from both side s.įraming fascinating glimpses of its sophisticated technical nature, this sturdy stainless steel chronograph catches the gaze in order to draw it into the very heart of a cutting-edge Zenith mechanism. This self-winding skeleton-worked chronograph, equipped with a column wheel and a silicon escapement, is highlighted by a dial carved in sapphire. With its powerful build framing a clear view of its legendary mechanism, the new Chronomaster El Primero Grande Date Full Open unveils the heart of performance and precision in the inimitable Zenith style. Artfully staged within an imposing 45 mm-steel case, its high-frequency skeletonised mechanism reveals its unique style in a spirit of complete transparency. Through the perfect clarity of the sapphire dial revealing an open-hearted mechanism, this new Chronomaster El Primero flaunts its palpitating pace for all to see.

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