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FB 1 – Oeuvre d’Or

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FB 1 – Oeuvre d’Or

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Artistic expression enjoys carte blanche

Issued in an exclusive five-piece limited edition, the “Oeuvre d’Or” collection pays tribute to its principal source of inspiration, the astronomical pocket watch No. 3 from Ferdinand Berthoud. Its main components are adorned with original decorations: while the dial in 18-carat white gold is finely crafted to obtain an aged patina, the half bridges of the movement in 18-carat rose gold also highlight the know-how of the Manufacture’s engravers with their hand-made “pyramid” motif decoration. The octagonal case is made of the same precious metal and houses the tourbillon movement with fusee-and-chain transmission system, directly inspired by Ferdinand Berthoud’s creations from the 18th century.

FB 1 – Oeuvre d’Or

Features

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The patinated dial of FB 1 – Oeuvre d’Or is created using a combination of engraving techniques that require great manual dexterity. First of all, the gold is finely grained with a graver. The surface is then crafted at length using a tool called a "rocker", enabling the light to glide across the dial to the rhythm of the shimmering reflections of the moiré effect thus created. Finally, the dial is hand-engraved and then subtly coloured to perfect the overall legibility.
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The FB 1 – Oeuvre d’Or collection features a "pyramid" motif decoration adorning the entire surface of its three half-bridges, an authentic artisanal feat demonstrating the know-how of the Manufacture’s engravers. The material is cut free-hand with flawless precision and regularity using a graver.
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The FB 1 collection of Chronométrie Ferdinand Berthoud pays tribute to this work and to the movements that pioneered chronometric precision. Its case is inspired by Ferdinand Berthoud's marine chronometers, in particular their gimbal suspension that served to maintain on-board chronometers in a permanently horizontal position.

FB 1 – Oeuvre d’Or in details

Case
Case
    • Diameter: 44 mm 
    • Thickness: 13 mm 
    • Water resistance: 30 m
    • Dynamometric crown in 18-carat rose gold (5N) 
    • Octagonal case in 18-carat rose gold (5N) fitted with four watertight portholes in glareproofed sapphire crystal 
    • Screw-in case-back with glareproofed sapphire crystal 
    • Domed, arched and glareproofed sapphire crystal
    • 5-piece limited and numbered edition
Movement
    • Diameter : 35.50 mm 
    • Thickness : 7.96 mm 
    • Lines : 15 ¾ 
    • Number of jewels : 45 
    • Frequency: 21,600 vph (3 Hz) 
    • Power reserve : 53 hours 
    • Number or parts : 1119 
    • Chain length : 285 mm
    • CALIBRE FB-T.FC-3 
    • Mechanical hand-wound movement 
    • Tourbillon with constant force device with fusee-and-chain transmission 
    • 3 half-bridges in 18-carat rose gold (5N) engraved by hand
    • Chronometer-Certified by the COSC
Dial and hands
    • 18-carat white gold dial, engraved and patinated by hand 
    • 18-carat blued (CVD) gold hours, minutes and power-reserve hands 
    • Bronze blued (CVD) seconds hand
Functions and display
    • Display of the hours, minutes at 12 o’clock 
    • Central seconds 
    • Power-reserve display in an openworked subdial at 9 o’clock 
    • Tourbillon at 6 o’clock
Strap and buckle
    • Hand-sewn rolled-edge alligator leather strap 
    • 18-carat rose gold (5N) pin buckle
FB 1 – Oeuvre d’Or FB 1 – Oeuvre d’Or
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