Ferdinand Berthoud
Chronomètre FB-1R.6-1

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The latest Chronométrie Ferdinand Berthoud watch is inspired by marine chronometers, for which the 18th-century watchmaker is famous. Driven by a fusee-and-chain mechanism, this regulator features an original display of each function, split over the dial. Hours are displayed in an arched window at 2 o’clock, and minutes are shown in a subdial at 12 o’clock. A complicated power reserve display dominates an opening in the space between 8 o’clock and 10 o’clock on the dial. The seconds are directly linked to the 60-second tourbillon, which is featured on the caseback side, along with the mobile-cone power reserve system. The dial is nickel silver that is given a vertical satin-brushed finish and then black rhodium-plated. It is a 20-piece limited edition.

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Hand-wound mechanical Calibre FB-T.FC-R, with a one-minute tourbillon and fusee-and-chain mechanism, equipped with a differential gear that enables the balance wheel to continue oscillating during winding. With a 53-hour power reserve. COSC certified chronometer


Hours, minutes, seconds, power reserve indicator


Carburised stainless steel, reinforced by a thermo-chemical process involving the diffusion of vapour-phase carbon, for a surface hardness of 1200 Vickers. Carburised stainless steel screw-down caseback with glare-proofed sapphire crystal and two lateral portholes to view the chain-and-fusee mechanism. Diameter 44 mm, thickness 13.95 mm. Water-resistant to 30 metres (3 bar/100ft)


Black rhodium-plated nickel silver, satin-brushed by hand. “CHRONOMÈTRE VAL-DE-TRAVERS SUISSE” inscription


Rolled-edge, hand-sewn alligator with length-adjustable double-blade titanium folding clasp or pin-buckle on request

Chronométire Ferdinand
Berthoud SA

Rue des Moulins 20
CP 128
CH - 2114 Fleurier