El Primero Open Moon & Sunphase

The Zenith El Primero Chronomaster Open Moon & Sunphase reference 03.2160.4047/01.C713 is a sophisticated and technically impressive timepiece that highlights the brand’s legendary chronograph expertise. This certified pre-owned luxury watch features a 45 mm stainless steel case, offering a bold presence while maintaining refined proportions.

The silver dial showcases Zenith’s signature open-heart design, revealing the beating escapement of the El Primero movement. This architectural feature is complemented by a complete calendar display including day, date, month, as well as a moonphase and sunphase complication, adding both functionality and visual depth. Blued hands, applied hour markers, and contrasting subdials ensure excellent legibility while enhancing the overall elegance of the dial.

Powered by the automatic Zenith El Primero calibre 4047, this high-frequency movement operates at 36,000 vibrations per hour (5 Hz), ensuring exceptional precision. It offers a power reserve of approximately 50 hours and incorporates a column wheel chronograph mechanism, a hallmark of Zenith’s watchmaking excellence.

Fitted with a high-quality leather strap, the watch provides comfort while complementing its sophisticated design. Offered in very good condition, this model comes with its original box only, making it an attractive opportunity to acquire a technically advanced pre-owned luxury watch.

The Chronomaster Open Moon & Sunphase stands out for its iconic movement, open-worked dial, and complex calendar functionality.