The Zenith Chronomaster Open Heart 18.3300.3604/69.C922 is a manifesto of watchmaking courage, precision and craftsmanship that doesn’t hide its heart – but proudly displays it. It is a timepiece in which the tradition of the legendary manufactory meets a modern vision of luxury, and technology becomes part of aesthetics. This model embodies the philosophy of openness – literally and symbolically – by showing mechanical beauty in its most dynamic form.
This is a watch for a man who is aware of detail. For the connoisseur who understands that true strength lies in precision, and authentic luxury does not need excess. Chronomaster Open is the choice of a leader with refined taste – a man who can appreciate both the subtlety of proportions and the technical perfection hidden beneath the surface.
The 39.5 mm case made of 18 ct rose gold exudes warmth and class. It’s the perfect balance — expressive enough to catch the eye, yet elegant and harmonious on the wrist. Slim ears and refined surface finishes underline the high craftsmanship for which the Zenith manufactory is famous.
The silvery dial with its characteristic counter arrangement in shades of grey and blue creates the visual depth that is the hallmark of the Chronomaster line. The “Open Heart” hole at 9 o’clock reveals the beating heart of the watch – a balance operating at 5 Hz. This is not just a stylistic detail, but a conscious invitation to the world of haute horlogerie, where every second is the result of perfect engineering.
Inside it works the legendary calibre El Primero 3604 — a modern version of one of the most iconic chronograph movements in the history of watchmaking. The movement allows you to measure time with an accuracy of 1/10th of a second, and the chronograph hand makes a full rotation within 10 seconds, emphasizing the dynamic character of the model. With 60 hours of power reserve and high-frequency precision, it’s a heart that beats faster — but always in full control.
The glass case back allows you to admire the openwork rotor with the Zenith star emblem and the intricately finished components of the movement. It is a tribute to the tradition of the manufactory, which has been continuously developing the art of measuring time since 1865.
The whole is complemented by a blue calfskin strap, lined with rubber for greater comfort and durability. It’s a combination of classics and modern functionality – softness that goes hand in hand with durability.
The Zenith Chronomaster Open Heart 18.3300.3604/69.C922 is a watch for those who are not afraid to show the mechanism of their success. It combines tradition and innovation, elegance and technical bravado. It is not just a timekeeping instrument – it is a testament to passion, precision and courage to reveal what is most precious.
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