The Chronomètre FB RSM reinterprets the architecture and design of the Marine Clock no. 8 produced by the master clockmaker in Paris in 1768. Only 20 movements will be produced, and several key exterior elements can be chosen by the collector. They may be fitted inside a round or octagonal case.
The FB 2RSM.1 with a round case in 18-carat rose gold and18-carat rose gold satin-finish dial with black rhodium treatment is one of the variations offered by the manufacture.
Ferdinand Berthoud devoted his life to experimentation and to passing on his knowledge by publishing numerous specialised works and training apprentices. The Chronomètre FB RSM continues this tradition by enabling a young watchmaker from the University of Neuchâtel to participate in the development of the movement as part of his graduation project.
The creation of a deadbeat seconds mechanism is a major challenge for any watch that claims to earn chronometer certification. Since the regularity of the torque is the essence of a constant-force calibre, interrupting its flow 60 times a minute without compromising its linearity is a true technical feat – which is why the majority of deadbeat seconds movements fail to achieve COSC certification.
The hours are read off via a rotating disc at 2 o'clock; the minutes are indicated by a facetted and skeletonised hand on the subdial at 12 o'clock; and, as a symbol of precision, the seconds hand occupies a central position on the watch face.
Imbued with the scientific spirit of the Enlightenment, the Chronomètre FB 1L.1 is at the crossroads between astronomy and chronometry.
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