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Zenith - Chronomaster El Primero Grande Date

Zenith Chronomaster El Primero Grande Date

The new Zenith Chronomaster El Primero Grande Date Full Open is all about transparency.

Locked into a 45 mm case, the skeleton-worked mechanism of the Chronomaster El Primero Grande Date Full Open displays its column wheel and  silicon escapement under a dial carved in sapphire. This latter features two transparent blue- and grey-tinted counters – the aesthetic signature of the original 1969 model. 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 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. 

Chronomaster El Primero

Ref. 03.2530.4047/78.C813


Equipped with a silicon lever and escape-wheel, this 332-part movement drives central hours and minutes hands, along with small seconds, chronograph, large date, moon & sunphase functions, while maintaining an over 50-hour power reserve. The celestial kinetic ballet is shown on two superimposed discs, with the moon disc rotating every 59 days (two lunar cycles) and the day/night disc making one full turn in 24 hours.

Chronomaster El Primero

Ref. 51.2530.4047/78.C810


The impressive stature of the Chronomaster El Primero Grande Date Full Open, complete with its fluted crown and double round pushers, is further enhanced by a steel bracelet or a black leather rubber-lined strap. Another version is available with a two-tone exterior (stainless steel case with a pink gold bezel), teamed with a chestnut leather strap.

Chronomaster El Primero

Ref. 03.2530.4047/78.M2530






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