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The Vallée de Joux is an area covered with green mountain forests, located roughly 50 km from Geneva in the southwest Jura, in the Canton of Vaud, Switzerland. Oftentimes inaccessible in the winter season due to the heavy snowfall, and with the free ranging animals lodged indoors, the local farmers needed other work to fill their day. Historically, already towards the end of the 17th century we can witness how the farmers began dedicating their workday during such winter periods in the light filled, higher floors of their farmhouses to horological craftsmanship, transforming these agrarian dwellings into high quality ateliers for the production of watch parts such as wheels, cases, jewels, bridges, dials, springs and all manner of specialist parts production and assembly.

Within a short span of time, all of the 41 different trades required for the completion of a single Haute Horlogerie timepiece were to be found concentrated within the confines of the Vallée du Joux. This pioneering area became a center for the manufacture of all types of complications, and these small scale, independent watchmakers from the valley essentially supplied their know-how and timepieces in service to many of the Grandes Maisons found in Geneva and surroundings. Even to this day, the Vallée du Joux retains its history and tradition as a center of horological knowhow with an incredible assortment of independent artisans with family histories of watchmaking, reaching back centuries in time.



Our watches are entirely manufactured in the heart of the Vallée de Joux. It is in this historically inspirational environment that a small team of specialized craftsmen watchmakers manufacture, finish and assemble components for our timepieces to the highest standards of Haute Horlogerie.

The choice of the finest materials is also fundamental to this approach. Everywhere possible, the use of noble metals and innovative materials are combined with matchless finishing in order to ensure the rarity, authenticity and quality of our movements and all their individual components.

We have expressly engraved the ‘Vallée de Joux’ label on our dials to recall that it is in this privileged valley that all MONTANDON&Co watches are created. It also expresses our philosophy and commitment to design exclusive and reliable watches with a view to long-term values and traditions.



In order to maintain and guarantee this high criterion of rarity and quality that we set ourselves, we design, develop and manufacture our own movements. Based on our automatic flying tourbillon caliber with unusual annular rotor construction, our movements integrate new solutions and features. These were specifically invented and developed in the spirit of creating an ultimate 21st century sea-faring chronometer worthy of the exceptional marine chronometers from sailing’s golden history.

Inspired by a map’s compass rose, the movement’s style and finishing characterize a complete and original identity uniquely identifiable as MONTANDON&Co, setting a new aesthetic canon, never seen before.



The case architecture designed by MONTANDON&Co, comprises up to more than 150 individual components depending on the model, with a high level of visual and mechanical sophistication in every detail. Our design has been developed with sportive, nautical aesthetics in mind, as well as with an eye to simultaneously protecting the precious movement under all types of extreme conditions. A thorough study was made to ensure that the perfect balance between ergonomics and functionality was achieved.




The dial and hands form the essential and intimate interface between the watch and its user. So it is natural that we execute these characteristic parts with the same dedication to detail and perfection as we give to the design of our movements and cases. Easily overlooked, they hold a specific and important role within the most prestigious areas of the watchmaker’s art. They visually repeat and embody the aesthetic codes of the brand, and therefore we only manufacture them using noble metals.