Download Chronomaster Open: A Legacy of Innovation and Precision

In this third millennium, Zenith has continued to blaze a trail in the realm of time measurement with its latest creations, including the Defy El Primero 21 and the Defy Lab. The brand's legendary DNA, which dates back to 1969 when it introduced the iconic El Primero calibre, has enabled it to develop over 600 movement variations. This remarkable achievement is a testament to the company's commitment to mastering each gesture in watchmaking, combining traditional craftsmanship with innovative techniques.

The El Primero 'Rainbow' chronograph is a popular collector's item that boasts a flyback function, allowing users to zero and start a new stopwatch measurement immediately. Its dial is designed for ease of reading, making it an ideal choice for those who require precision timekeeping in demanding environments. Originally built in 1997, the El Primero 'Rainbow' was commissioned by the French Air Force to withstand forces of up to nine to eleven G's, wide variations in pressure and temperature.

Throughout its history, Zenith has been driven by a passion for innovation and precision. Whether it is exponents of artistic crafts or technical skills, all are united in their pursuit of mastering each gesture to create mechanical marvels that combine traditional watchmaking with avant-garde innovations. The El Primero 'Rainbow' chronograph is a shining example of this legacy, offering a unique blend of style and functionality.

The Download Chronomaster Open feature offers an unparalleled level of precision, making it an essential tool for those who demand the best from their timepiece. Whether you are a seasoned collector or simply looking to own a piece of watchmaking history, the El Primero 'Rainbow' chronograph is a must-have addition to your collection.

Download chronomaster open