Limited Edition of 20 Pieces
The case, in ultra-resistant carburised stainless steel, and fitted with two transparent sapphire crystal portholes, measures 44mm x 13.9mm. It has a domed AR-coated sapphire crystal, a sapphire display back, and it is water resistant to 30 meters. Dynamometric crown (uncoupling system) in stainless steel, with black ceramic medallion.
Movement is the Swiss manual-wind Ferdinand Berthoud in-house caliber FB-T.FC.R with 49 jewels, 21,600 vph and a power reserve of 53 hours.
It features a chain-and-fusee tourbillon (constant force), suspended fusee winding differential system (PATENT), suspended barrel Maltese Cross stopwork system (PATENT). Suspended power-reserve mobile cone system (PATENT), tourbillon with direct-drive seconds hand (PATENT). Variable-inertia balance comprising four rhodium-plated nickel silver inertia weights. Balance spring with hand-crafted steel Phillips terminal curve. Swiss lever escapement. Cut-out and engraved nickel silver half-bridges, secured to polished stylised titanium bridges. It is hand-finished. It is COSC-certified as a chronometer. Functions are: hours on a disc at 2 o'clock, pointer-type date display at 12 o'clock, central sweep-seconds hand and power-reserve indicator at 10 o'clock.
The dial is a regulator plate in black rhodium-plated nickel silver, satin-brushed by hand. Hours indication on a sapphire disc at 2 o'clock, minutes subdial at 12 o'clock, cut-out, bead-blasted, rhodium-plated and bearing black Arabic numerals. Flat seconds inner bezel ring, in bead-blasted black rhodium-plated nickel silver. Power-reserve indication at 10 o'clock engraved on the regulator plate "0-1" and colored in grey. Dagger-shaped facetted and openworked minutes hand in 18kt white gold with blue CVD coating. Steel fixed hour-marker with blue CVD coating. Gilded steel arrow-shaped power-reserve hand andgilded bronze central sweep-seconds hand.
It comes on a rolled-edge hand-sewn alligator leather strap with a titanium folding clasp.
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