H. Moser × MB&F - Endeavour Cylindrical Tourbillon

In this crowning expression of the ties binding H. Moser & Cie. and MB&F for more than ten years, Edouard Meylan and Maximilian Büsser have composed a duet recital in the form of an exceptional concerto for devotees of fine watchmaking. For the first time in its history, MB&F is contributing to a Performance Art endeavour flowing in both directions in an entirely reciprocal manner.

Within this framework, the two Maisons are co-signing a pair of creations whose DNA blends the main characteristics of each. A story of friendship between two men against a backdrop of shared values, for the pleasure of building and sharing, and then of jointly presenting the results of this extraordinary project.

H. Moser & Cie. and MB&F are both independent, human-scale Swiss companies. They are run by two passionate personalities, longstanding acquaintances who both appreciate and respect each other on both a personal and professional level. The brands have in fact been working together for more than ten years, with Precision Engineering AG – a sister company of H. Moser & Cie. – notably supplying MB&F’s balance springs. It is therefore not surprising that MB&F asked Edouard Meylan to take part as a "friend“ to help create a Performance Arts piece. The latest aspect of this collaboration lies in its being a two-way street.

"When I called Edouard to tell him that I wanted to collaborate on a creation, I mentioned that I really liked the double balance-spring, the Moser fumé dials and the Concept watch series. Edouard immediately told me that he would let me borrow these features, but on condition that he could also reinterpret one of my machines. After an initial moment of surprise, I gave it some thought. Being 50% Indian and 50% Swiss, I am firmly convinced that mixing DNA creates interesting results, so why not try the experiment in watchmaking? I therefore agreed and suggested the FlyingT model, which is particularly dear to my heart.“

- Maximilian Büsser 

 

Endeavour Cylindrical Tourbillon -  H. Moser × MB&F

H. Moser & Cie. has borrowed from MB&F the concept of three-dimensional movements, a strong element of the Geneva Maison’s identity, protected by a sapphire dome and featuring a one-minute flying tourbillon that rises above the main dial through a ventricular opening appearing at 12 o’clock. Benefiting from the expertise of its sister company Precision Engineering AG, H. Moser & Cie. has equipped its tourbillon with a cylindrical balance spring, the same as that developed by Precision Engineering AG for MB&F’s LM Thunderdome.

 

 

Invented in the 18th century, the cylindrical balance spring is reminiscent of a worm- or corkscrew, rising perpendicularly around the upper rod of the balance staff. Commonly used in historical marine chronometers at the time, it offers the advantage of developing concentrically, and therefore geometrically, since it works perfectly along the axis of its pivots.

This gives it a significant advantage over the flat balance spring, whose opposite ends tend to exert forces on the pivots, despite the Philips or Breguet terminal curves which were specifically developed to partially correct the non-concentric opening of the balance spring. Fitted with a Breguet overcoil at both attachment points, the cylindrical balance spring reduces pivot friction and greatly improves isochronism. Due to its specific shape, the cylindrical balance spring is far more difficult to produce and takes ten times longer to make than a traditional balance spring.

 

Another reference to MB&F’s identity lies in the tilted dials, which H Moser & Cie. has adopted for its hour and minute subdials. These are inclined at 40° so that the owner of the watch is the only one to whom it reveals the secret of time, and mounted on a conical gear train ensuring optimal torque transmission from one plane to the other.

"We have Moserized the MB&F universe by developing a sapphire subdial, which melts into the background so as to highlight the beauty of our fumé dials. And to preserve the purity and elegance of this true work of horological art, we have inscribed our logo like a watermark on the sapphire subdial, thereby underlining the personal character and intimate relationship binding it to its owner“.

- Edouard Meylan

 

 

Available in five different versions, the Endeavour Cylindrical Tourbillon H. Moser × MB&F model comes in a steel case topped by Funky Blue, Cosmic Green, Burgundy, Off-White or Ice Blue dials, all of the fumé variety. 

 

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