FERDINAND BERTHOUD – Chronometre FB 3SPC Anniversary Edition

FERDINAND BERTHOUD – Chronomètre FB 3SPC Platinum Anniversary Edition Collection 2025

  TENTH ANNIVERSARY OF
CHRONOMÉTRIE FERDINAND BERTHOUD:
A NEW PLATINUM MODEL JOINS THE
EMBLEMATIC FB 3 COLLECTION

Since 2015, on the initiative of Karl-Friedrich Scheufele, Chronométrie Ferdinand Berthoud in the Val-de-Travers (Switzerland) has devoted itself to reviving one of the greatest names in watchmaking: Ferdinand Berthoud (1727-1807).

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Guided by the same quest for precision as the master horologist, Chronométrie Ferdinand Berthoud is celebrating its tenth anniversary this year. To mark the occasion, the Manufacture presents a very limited series of the Chronomètre FB 3SPC. Platinum makes its first appearance in this collection, whose mechanical movement with a cylindrical balance-spring is also attired in new pink or black PVD colours.

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The philosophy driving Chronométrie Ferdinand Berthoud since the launch of its first collection in 2015 is far more than merely a tribute to the work of the eponymous master-watchmaker. It transposes into contemporary watchmaking language the quest for excellence and precision of the man who was appointed Master Clockmaker-Mechanic by appointment to the (French) King and Navy. No fewer than nine exclusive calibres and three collections have been presented since 2015: Chronomètre FB 1 with its now iconic octagonal case; the FB 2 collection whose case design reinterprets the shape of marine clocks; as well as the FB 3, which is inspired by the longitude watches designed by Ferdinand Berthoud. 

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To mark the tenth anniversary of Chronométrie Ferdinand Berthoud, the iconic FB 3SPC collection with a cylindrical balance-spring has been enriched with a very limited edition of platinum timepieces that can also be set with precious stones.

The nobility of platinum

Making a platinum case as complex as that of the FB 3 collection demonstrates the Maison’s exceptional expertise. More than 30 hours of work are required to machine and finish this 57-part case. Polishing platinum is a particularly delicate operation, requiring more effort and patience than for other precious metals. Platinum is a very dense yet extremely malleable metal. 

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Only the most experienced polishers are able to achieve the desired brilliance meeting the Ferdinand Berthoud quality criteria. Unlike gold, platinum cannot be polished by pressing very hard on the metal with a polishing brush. Doing so creates waves or a dull haze on the surface, due to the molecular structure of this noble material whose inalterable nature makes it much sought after by discerning collectors.

A certified award-winning movement

The FB 3SPC collection is the only wristwatch with a variable-inertia balance and a cylindrical balance spring, chronometer-certified by the Official Swiss Chronometer Testing Institute (COSC) and awarded the Chronometry prize at the Grand Prix d'Horlogerie de Genève (GPHG) in 2023.

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Its mechanical movement is based on a cylindrical balance-spring, an extremely rare horological speciality on which Ferdinand Berthoud himself had worked. It is the result of more than three years of research and development. Positioned at 9 o'clock, the three main escapement components – namely the balance, pallet-lever and escape-wheel – are individualised, distinct and proeminent. 

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This space dedicated to the regulating organ enables one to appreciate how it functions and to see the cylindrical balance-spring beating throughout the three days of the power reserve, including through a large water-resistant porthole in the case middle at 9 o'clock.

Two new movement colours

Thanks to its unique three-dimensional architecture with the mainplate positioned at the heart of the movement and the bridges framing it, Calibre FB-SPC is fully visible through the case-back as well as on the dial side. The way it is decorated thus determines the character of the timepiece, as do the two new pink and black PVD-treated versions – produced in 20-piece limited series – that are joining the FB 3 collection.

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The FB 3SPC.3 model features a finely sandblasted salmon pink movement, a velvet-finished silver-toned brass inner bezel ring and dial, along with facetted and diamond-polished blue CVD-treated 18-carat gold hands. The regulating organ bridges visible at 9 o'clock are made of straight-grained natural nickel silver.

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Meanwhile, Reference FB 3SPC.3-1 is equipped with a black PVD-treated sandblasted movement, a black-varnished inner bezel and dial, along with 18-carat white gold hands. To accentuate the intensity of the movement’s black hues, the regulating organ bridges and the barrel drum are treated with black rhodium, while the gear trains are white rhodium-treated.

Carefully chosen diamonds

Each of these two references will also be available in a diamond-set version, produced in a five-piece limited edition. Benefiting from Chopard’s expertise, the case, crown and buckle have been subtly reworked to accommodate diamonds of exceptional quality and cut. 

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Each stone is then set with the utmost care to obtain a particularly elegant setting of 77 diamonds totalling 4.02 carats: 48 baguette-cut diamonds on the bezel, 10 on the pin buckle and 18 on the crown. The latter is also enhanced with a briolette-cut diamond.

A new folding clasp

Traditionally accompanied by a hand-sewn natural alligator leather strap and an 18 mm pin buckle, the FB 3SPC collection can now on request be equipped with a new 18 mm folding clasp. The latter features two blades, with a safety catch on the cap and a fine-adjustment mechanism enabling +/- 3 mm length modifications to fit the exact wrist size.

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Already present on the folding clasps of the FB 1 and FB 2 collections, this mechanism equips the new version appearing with the Chronomètre FB 3SPC, whose design has been subtly reworked to adapt perfectly to the curve of the FB 3 case. This new clasp is available on request in 5N 18-carat rose gold or in 18-carat non-rhodium-treated white gold.

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Through these new variations, Chronométrie Ferdinand Berthoud reaffirms its desire to perpetuate the FB 3 collection, which requires the greatest watchmaking expertise, in order to produce and adjust around 30 chronometer-certified movements of this type each year. 

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This launch also marks the start of celebrations for Chronométrie Ferdinand Berthoud, which is celebrating its tenth anniversary in 2025.

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TECHNICAL SPECIFICATIONS

Model: Chronomètre FB 3SPC Anniversary Edition

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 Reference: FB 3SPC.3

🔰Limited edition of 20 pieces

Case
Material: Platinum PT-950
Diameter: 42.30 mm
Thickness: 9.43 mm
Crown diameter: 8.50 mm
Domed sapphire crystal glareproofed on both sides
Crown and screws in ethical 18-carat white gold
Exhibition back in platinum fitted with a glareproofed sapphire crystal pane
Water-resistant to 30 metres
Dial and movement finishing
Peripheral inner bezel ring in velvet-finished silver-toned brass for the hours and minutes, shiny anthracite-varnished engraved numerals
Seconds subdial at 6 o’clock in velvet-finished silver-toned brass, shiny anthracite-varnished engraved numerals
Sandblasted salmon pink (4N gilded), nickel silver movement, gilded gear trains, straight-grained natural nickel silver regulating organ bridges, 4N gilded barrel cover
Hands
Diamond-polished, skeletonised and open-tipped hours and minutes hands in blue CVD-treated 18-carat gold
Seconds hand with openworked counterweight in blue CVD-treated 18-carat gold
Arrow-shaped power-reserve hand in blue CVD-treated 18-carat gold
Movement
Calibre FB-SPC

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Mechanical hand-wound
Diameter: 34 mm, 15 lignes
Thickness: 6.84 mm
Number of jewels: 47
Frequency: 21,600 vph (3 Hz)
Number of parts: 230
Number of bridges: 16
Power reserve of 72 hours
Officially chronometer-certified by the COSC

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Functions/Indications
Central display of the hours and minutes
Seconds at 6 o’clock and power reserve at 2 o’clock
Strap and buckle
Alligator leather strap (125 x 70 mm) – Various sizes and colours available on request
Platinum 18 mm pin buckle
18-carat white gold 18 mm folding clasp with security fastening and length-adjustable blade – Available on request

🔴Price:  CHF 158'000💰

Technical specifications

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FERDINAND BERTHOUD Chronomètre FB 3SPC

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 Reference: FB 3SPC.3-1

🔰Limited edition of 20 pieces

Case

Material: Platinum PT-950
Diameter: 42.30 mm
Thickness: 9.43 mm
Crown diameter: 8.50 mm
Domed sapphire crystal glareproofed on both sides
Crown and screws in ethical 18-carat white gold
Exhibition back in platinum fitted with a glareproofed sapphire crystal pane
Water-resistant to 30 metres
Dial and movement finishing
Peripheral inner bezel ring in smooth black-varnished brass for the hours and minutes, matt grey-varnished engraved numerals
Seconds subdial at 6 o’clock in smooth black-varnished brass, matt grey-varnished engraved numerals
Sandblasted black PVD-treated nickel silver movement, white rhodium-treated gear trains, straight-grained black rhodium-treated nickel silver regulating organ bridges, black rhodium-treated barrel cover
Hands
Diamond-polished, skeletonised and open-tipped hours and minutes hands in 18-carat white gold
Seconds hand with openworked counterweight in 18-carat white gold
Arrow-shaped power-reserve hand in 18-carat white gold
Movement
Calibre FB-SPC
Mechanical hand-wound
Diameter: 34 mm, 15 lignes
Thickness: 6.84 mm
Number of jewels: 47
Frequency: 21,600 vph (3 Hz)
Number of parts: 230
Number of bridges: 16
Power reserve of 72 hours
Officially chronometer-certified by the COSC
Functions/Indications
Central display of the hours and minutes
Seconds at 6 o’clock and power reserve at 2 o’clock
Strap and buckle
Alligator leather strap (125 x 70 mm) – Various sizes and colours available on request
Platinum 18 mm pin buckle
18-carat white gold 18 mm folding clasp with security fastening and length-adjustable blade – Available on request

🔴Price:  CHF 158'000💰

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Technical specifications

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FERDINAND BERTHOUD Chronomètre FB 3SPC

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 Reference: FB 3SPC.3-3

🔰Limited edition of 5 pieces

Case
Material: Platinum PT-950 set with baguette-cut diamonds
Diameter: 42.30 mm
Thickness: 9.43 mm
Crown diameter: 8.50 mm
Bezel set with 48 baguette-cut diamonds (1.79 carats)
Crown in 18-carat white gold set with 18 baguette-cut diamonds (0.35 carats) and 1 briolette-cut diamond (0.40 carats)
Screws in 18-carat white gold
Exhibition back in platinum fitted with a glareproofed sapphire crystal pane
Domed sapphire crystal glareproofed on both sides
Water-resistant to 30 metres
Dial and movement finishing
Peripheral inner bezel ring in velvet-finished silver-toned brass for the hours and minutes, shiny anthracite-varnished engraved numerals
Seconds subdial at 6 o’clock in velvet-finished silver-toned brass, shiny anthracite-varnished engraved numerals
Sandblasted salmon pink (4N gilded) nickel silver movement, gilded gear trains, straight-grained natural nickel silver regulating organ bridges, gilded barrel cover
Hands
Diamond-polished, skeletonised and open-tipped hours and minutes hands in blue CVD-treated 18-carat gold
Seconds hand with openworked counterweight in blue CVD-treated 18-carat gold
Arrow-shaped power-reserve hand in blue CVD-treated 18-carat gold
Movement
Calibre FB-SPC

Click, to see the large size. ▶ BIG FOTO

Mechanical hand-wound
Diameter: 34 mm, 15 lignes
Thickness: 6.84 mm
Number of jewels: 47
Frequency: 21,600 vph (3 Hz)
Number of parts: 230
Number of bridges: 16
Power reserve of 72 hours
Officially chronometer-certified by the COSC

Click, to see the large size. ▶ BIG FOTO

Functions/Indications
Central display of the hours and minutes
Seconds at 6 o’clock and power reserve at 2 o’clock
Strap and buckle
Alligator leather strap (125 x 70 mm) – Various sizes and colours available on request
Platinum 18 mm pin buckle set with 10 baguette-cut diamonds (1.48 carats)
18-carat white gold 18 mm folding clasp with security fastening and length-adjustable blade – Available on request

🔴Price:  CHF 220'000💰

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Technical specifications

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FERDINAND BERTHOUD Chronomètre FB 3SPC

   Click, to see the large size. ▶ BIG FOTO 

 Reference: FB 3SPC.3-2

🔰Limited edition of 5 pieces

Case
Material: Platinum PT-950 set with baguette-cut diamonds
Diameter: 42.30 mm
Thickness: 9.43 mm
Crown diameter: 8.50 mm
Bezel set with 48 baguette-cut diamonds (💎1.79 carats)
Crown in 18-carat white gold set with 18 baguette-cut diamonds (💎0.35 carats) and 1 briolette-cut diamond (💎0.40 carats)
Screws in 18-carat white gold
Exhibition back in platinum fitted with a glareproofed sapphire crystal pane
Domed sapphire crystal glareproofed on both sides
Water-resistant to 30 metres
Dial and movement finishing
Peripheral inner bezel ring in smooth black-varnished brass for the hours and minutes, matt grey-varnished engraved numerals
Seconds subdial at 6 o’clock in smooth black-varnished brass, matt grey-varnished engraved numerals
Sandblasted black PVD-treated nickel silver movement, white rhodium-treated gear trains, straight-grained black rhodium-treated nickel silver regulating organ bridges, black rhodium-treated barrel cover
Hands
Diamond-polished, skeletonised and open-tipped hours and minutes hands in 18-carat white gold
Seconds hand with openworked counterweight in 18-carat white gold
Arrow-shaped power-reserve hand in 18-carat white gold
Movement
Calibre FB-SPC
Mechanical hand-wound
Diameter: 34 mm, 15 lignes
Thickness: 6.84 mm
Number of jewels: 47
Frequency: 21,600 vph (3 Hz)
Number of parts: 230
Number of bridges: 16
Power reserve of 72 hours
Officially chronometer-certified by the COSC
Functions/Indications
Central display of the hours and minutes
Seconds at 6 o’clock and power reserve at 2 o’clock
Strap and buckle
Alligator leather strap (125 x 70 mm) – Various sizes and colours available on request
Platinum 18 mm pin buckle set with 10 baguette-cut diamonds (💎1.48 carats)
18-carat white gold 18 mm folding clasp with security fastening and length-adjustable blade – Available on request

🔴Price:  CHF 220'000💰

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Press Release - 2025
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Chronométrie FERDINAND BERTHOUD SA
Rue des Moulins 20
Case postale 128
2114 Fleurier, Val-de-Travers (NE)
Switzerland
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www.facebook.com - Ferdinand Berthoud 
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www.FerdinandBerthoud.ch

FERDINAND BERTHOUD – Chronometre FB 1RES.3 Sincere Platinum Jubilee Edition

FERDINAND BERTHOUD – Chronomètre FB 1RES.3 SINCERE Platinum Jubilee Edition 2024

  CHRONOMÈTRE FB RES JUBILEE EDITION:

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EXCLUSIVE RELEASE FOR THE 70TH ANNIVERSARY OF SINCERE HAUTE HORLOGERIE

Commemorating Sincere Fine Watches’ 70th Anniversary, Ferdinand Berthoud proudly unveils the Chronomètre FB 1RES.3 Sincere Platinum Jubilee Edition. This exceptional timepiece features the exclusive use of platinum in its distinctive octagonal case, complemented by a unique satin-brushed salmon dial and is powered by the celebrated Calibre FB-RES.FC. This limited 3-piece edition underscores our commitment to horological excellence and showcases Ferdinand Berthoud’s dedication to crafting a distinctive masterpiece for Sincere’s Platinum Jubilee.

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Inspired by marine chronometers of the 18th century, this exceptional timepiece seamlessly blends classic design with contemporary engineering, exemplifying the shared pursuit of excellence in technical refinement. This commemorative piece honours Sincere’s remarkable journey and steadfast dedication to curating exceptional timepieces that exemplify the artistry of fine watchmaking.

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Chronométrie Ferdinand Berthoud’s longstanding partner Sincere Haute Horlogerie is celebrating its seventieth anniversary this year; to mark the occasion, an exclusive edition of just three Chronomètre FB RES timepieces is unveiled, featuring an octagonal case in platinum and a satin-brushed salmon dial.

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Sincere is deeply settled in fine watchmaking retail in Asia and today boasts several stores, including its Sincere Haute Horlogerie boutiques specifically devoted to independent watchmakers, which represent Chronométrie Ferdinand Berthoud for several years now.

To celebrate Sincere’s seventieth birthday in 2024, the two maisons have joined forces to produce an exclusive version of the Chronomètre FB RES.

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The movement of the Chronomètre FB RES features a double regulation system consisting of a fusee-and-chain mechanism and a one-second remontoir d’égalité. This unprecedented combination significantly improves the movement’s time-keeping performance in two ways:

•     at the start of the gear train, the fusee-and-chain mechanism delivers constant force from the barrel, irrespective of how much the spring has wound down.
•     Meanwhile, at the other end of the gear train, the remontoir d’égalité smooths out any irregularities in the running of the watch due to gear friction by temporarily storing energy before passing it on to the escapement in equal increments every second. This sequential impulse also makes it possible to have a deadbeat seconds display on the dial, marked out by a long central hand.

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The dial, bridges and mainplate have been skeletonised and decorated to further enhance the exceptional mechanism. Particular care has been taken with the hand-bevelled and polished angles – with a total combined length of two metres, these require over two hundred and fifty hours of work in all.

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The Chronomètre FB 1RES.3 Sincere Platinum Jubilee Edition features a unique satin-brushed salmon dial, crafted from gilded 4N nickel-silver and encased in a 44mm platinum octagonal case—an exclusive combination for Sincere. Adorned with elegant dagger-shaped hour and minute hands in 18-carat gold, its technical design showcases a harmonious arrangement of bridges and a mainplate, with a broad opening from 3 o’clock to 6 o’clock that reveals three bridges converging at the center of the dial.

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The satin-brushed salmon dial, along with the mainplate and the nickel-silver bridges mounted on stylised stainless-steel pillars, have been skeletonised and decorated to enhance the visibility of the exceptional mechanism. Hand-bevelled and polished angles span a total length of two meters, requiring over 250 hours of finishing. 

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This meticulous attention to detail underscores the brand’s dedication to preserving fine watchmaking traditions. Each wheel, bridge and screw is entirely hand-decorated, and an impressive level of manual finishing has been applied to reveal the beauty of each component. 

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The dial also features a power reserve display at the 9 o’clock position, indicated by the arrow-shaped hand in 18 carat gold along the 0-1 spectrum.hese mechanical intricacies are revealed through the transparent sapphire crystal caseback, embodying the enduring principles of horological sophistication while merging traditional craftsmanship with a contemporary approach to precision engineering. This exceptional timepiece represents a notable achievement in fine watchmaking, showcasing Ferdinand Berthoud’s dedication to exceptional craftsmanship while reflecting the dynamic evolution of modern timekeeping.

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Designed in close collaboration with Sincere Haute Horlogerie, the Chronomètre FB 1RES.3 features an entirely original artistic finish, with an octagonal case made of platinum and a salmon-coloured, satin-brushed dial. Each of the three pieces will be numbered (‘1 of 3’) and emblazoned with a special engraving of the Sincere logo in the nine o’clock position on the case – a graphical allegory based on the symbol for infinity.

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“Sincere is one of our long-term partners, having supported us since the launch of our very first collections in 2015. As such we felt it was important for us to play our part in the festivities surrounding their seventieth anniversary”, says Chronométrie Ferdinand Berthoud’s President Karl-Friedrich Scheufele. “This special-edition Chronomètre FB RES reflects that longstanding partnership.”

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 This timepiece embraces a harmonious blend of heritage and technical refinement, capturing the essence of Sincere’s 70th Anniversary and its ongoing journey into “A New Era”. Reflecting on a Milestone Anniversary Sincere’s Platinum Jubilee emblem is elegantly engraved on the side of the case at the 9 o’clock position, thoughtfully honouring this significant milestone.

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This exquisite limited edition pays tribute to Sincere’s 70 years of dedication to curating timepieces that exemplify the highest standards of craftsmanship.

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In partnership with Ferdinand Berthoud, this exclusive release honours not only Sincere’s storied past but also the shared commitment to exceptional artistry that underscores both brands’ pursuit of horological excellence. 

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TECHNICAL SPECIFICATIONS

Model:  Chronometre FB 1RES.3 Sincere Platinum Jubilee Edition

CASE
Material : Case in platinum
Case Type : Octagonal case fitted with two glare-proofed sapphire crystal portholes at 2 and 11 o’clock
Diameter : 44 mm
Thickness : 14,26 mm
Water resistance : 30 m
Glass : Domed sapphire crystal glareproofed on both sides
Case-back : Fitted with a “chevee” sapphire crystal pane glare-proofed on both sides with Logo Sincere’s Platinum Jubilee emblem
Crown type : Dynamometric in platinum with Logo 

• Dynamometric crown (decoupling system)
• Case-back fitted with a “chevee” sapphire crystal pane glare-proofed on both sides.
• Domed “chevee” sapphire crystal glare-proofed on both sides
DIAL
•Openworked gilded 4N (salmon color) nickel-silver satin-brushed dial
• Circular satin-brushed inner bezel ring the Sincere logo in the nine o’clock position on the case
• Mirror-polished stainless-steel gear-train bridges between 3 and 6 o’clock
• Power-reserve indication with “0_1” engraving on a 9 o’clock bridge visible on the dial side
HANDS
• Facetted and skeletonised dagger-shaped hours, minutes and seconds hands in 18-carat gold
• Brass central sweep-seconds hand with blue CVD treatment
• Central sweep-seconds hand in brass
• Arrow-shaped power-reserve hand with blue CVD treatment
STRAP AND BUCKLE
• Hand-sewn beige leather strap (125 x 70 mm, with a 20 mm buckle)
• Length-adjustable double-blade folding clasp – Pin buckle available on request
FUNCTIONS
• Hours and minutes, deadbeat seconds, power reserve, time-setting with stop-seconds device on the
balance
MOVEMENT
• Calibre FB-RES.FC: mechanical manual-winding movement, constant force with fusee-and-chain
transmission and one-second remontoire
Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37.30 mm
Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.37 mm
Lignes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 ½
Jewels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18,000 vph (2.5 Hz)
Power reserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 hours

TECHNICAL CHARACTERISTICS
• Constant force with fusee-and-chain transmission
Inverted and suspended fusee – differential winding system (PATENT)
Suspended barrel – Maltese cross stopwork system
• Regulating organ
Two-arm variable-inertia Ferdinand Berthoud balance wheel fitted with 4 integrated adjustment
screws
Balance-spring with hand-crafted Phillips outer terminal curve (steel alloy)
Swiss lever escapement
15-toothed escape-wheel
• “Remontoir d’égalité” mechanism
One-second winding
Three-toothed stop wheel
Triple-sided cam in hand-crafted synthetic ruby
Flat spiral spring (steel alloy)
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200 (including the chain)
Chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 790 components
Chain length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285 mm
Bridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Pillars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
DECORATIONS
• Nickel silver bridges fitted on stylised stainless-steel pillars, decorated according to dial design
• Hand-finishing according to the highest watchmaking standards
Of ficially chronometer-cer tified by the COSC  
STRAP
Beige alligator leather strap (125 x 70 mm)
Buckle : Length-adjustable double-blade folding clasp or pin buckle 

🔰Edition:  Availability: Limited to ❱❱❱ 3 pieces
🔴 Price: of SGD $452,800 (including GST)💰

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SincereWatch.com 
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Press Release - 2024
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Chronométrie FERDINAND BERTHOUD SA
Rue des Moulins 20
Case postale 128
2114 Fleurier, Val-de-Travers (NE)
Switzerland
-------------------------------------------------------------------
www.facebook.com - Ferdinand Berthoud 
----------------------------------------------------------------------------
www.FerdinandBerthoud.ch

FERDINAND BERTHOUD – Chronometre FB 1RES.4 Edition

FERDINAND BERTHOUD – Chronomètre FB 1RES.4 Anthracite Ceramic / Titanium Edition - 2024

THE CHRONOMÈTRE FB RES: A CUSTOMISABLE VERSION OF THE REMONTOIRE REVEALING ITS INTRICACIES

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Four years ago, Chronométrie Ferdinand Berthoud unveiled the Chronomètre FB 2RE. This collection featuring numerous innovative aspects introduced the Maison’s second movement, equipped with fusee-and-chain transmission and a one-second remontoire device. This calibre, which has won awards for its precision timekeeping performance, now reveals more of how it operates through the customisable bridges and mainplate of the new Chronomètre FB RES.

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In 2020, Chronométrie Ferdinand Berthoud unveiled its second collection, the Chronomètre FB 2RE . This timepiece marked a real turning point for the Maison: the first round case, the first display with three central hands; and above all the first movement with a double regulation system combining fusee-and - chain transmission with a one-second “remontoir d’égalité”. 

Click, to see the large size. ▶ BIG FOTO     

This movement is now offered with a completely revisited design intended to highlight its sophisticated inner workings . Formerly in domed Grand Feuenamel, the dial now features a technical combination of bridges and main plate as well as a wide opening stretching from 3 o'clock to 6 o'clock . 

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The latter reveals a construction with three bridges converging towards the dial centre. This geometry is directly inspired by a skeletonised table clock made by Ferdinand Berthoud circa 1775. 

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The similarity does not end there, as that clock displaying the hours, minutes, seconds, age of the Moon, calendar and zodiac signs was also equipped with a “remontoir d’égalité”. This timepiece in perfect working order is par t of the Maison’s heritage and is currently housed in the Ferdinand Berthoud Museum in Fleurier.

Two linear metres of hand chamfering

Exposing the movement components of the Chronomètre FB RES opens up unprecedented aesthetic perspectives, while simultaneously revealing a particularly meticulous finishing process.

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Each wheel, bridge and screw is entirely hand -decorated. An extraordinary level of manual finishing has been applied in order to reveal the beauty of each component. Placed end to end, all the angles of the wheels and their bridges, as well as those revealed at the hear t of the 9 o'clock power- reserve display, represent more than two linear metres filed and polished by hand . 

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The finishing of the bridges and mainplate is specific to this new model named FB RES – standing in French for "Remontoir d’Égalité Squelette”.

38 personalised calibres

Thirty-eight movements will be produced in total. They will be open to customisation in a wide range of options. 

   Click, to see the large size. ▶ BIG FOTO

The shape (round or octagonal) and material (stainless - steel, titanium, ceramised titanium and 18 - carat white, yellow, or rose gold) of the case, the colour of the inner bezel ring, the dial and the associated finishes (sandblasted or satin - brushed): in all, more than 200 variations can be simulated on an online configurator specifically created for this model. 

   Click, to see the large size. ▶ BIG FOTO    

Collectors will thus be able to bring to life variations that are unprecedented for Ferdinand Berthoud, notably including a calibre with a remontoire device in an octagonal case.

Peak precision

At the heart of this timepiece beats the Calibre FB -RES. FC, regulated by fusee- and - chain transmission and a one-second remontoire. 

   Click, to see the large size. ▶ BIG FOTO

The purpose of this full-fledged chronometric complication is to even out the energy coming from the barrel and transmitted to the escapement. The device relies on a spring positioned between the two organs.

   Click, to see the large size. ▶ BIG FOTO 

It temporarily stores a small amount of energy, which is then delivered to the balance. The charge/discharge frequency of this buffer energy is very short: one second . It is this sequential impulse that the large central seconds hand beats off, connected to the “remontoir d’égalité” via an intermediate wheel. 

   Click, to see the large size. ▶ BIG FOTO 

It therefore advances in one-second jumps: this is a true-beat mechanism also known as a deadbeat second and generated directly by the remontoire. All these mechanical intricacies are almost entirely visible through the back of the FB RES.

    Click, to see the large size. ▶ BIG FOTO  

“ We are fremontoire to have in our Fleurier Museum this clock made in 1775 by Ferdinand Berthoud, which reveals its movement, including a “remontoir d’égalité” ”, says Karl-Friedrich Scheufele, President of Chronométrie Ferdinand Berthoud . “Imagining a modern interpretation of this exceptional work seemed a quite logical step. This gave rise to the idea behind the FB RES collection: a skeletonised, more technical version of our own Calibre FB- RE. FC with a one -second remontoire mechanism. ”

   Click, to see the large size. ▶ BIG FOTO 

The Chronomètre FB RES also perpetuates the Maison’s desire to offer collectors the possibility of personalising their timepieces through a wide range of options offered by this new configurator, directly accessible online on the Chronométrie Ferdinand Berthoud website.

ABOUT THE INSPIRATION

Skeletonised table clock, Ferdinand Berthoud, circa 1775

Four ring-shaped white enamelled dials for the hours (I-XII), minutes (60), seconds (60) and calendar (31); months (12) with zodiac signs; days of the week (7) and age of the moon (29 ½).

   Click, to see the large size. ▶ BIG FOTO

One main gear train and two strikework trains (hours and quarters). By means of a “remontoir d’égalité”, the main gear train supplies constant energy to the pin-pallet escapement.

The quarters strikework train (left) strikes the quarters on two bells. The hours strikework train (right) is activated after striking the quarters. It also activates the calendar.

“Ferdinand Berthoud” signature on the gilded plaque adorning the marble base:
Dimensions: 25 x 15 x 43 cm 

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TECHNICAL SPECIFICATIONS

Model:  Chronometre FB 1RES.4 Edition

   Click, to see the large size. ▶ BIG FOTO 

CASE
Material : Case in ceramic-coated titanium
Case Type : Octagonal case fitted with two glare-proofed sapphire crystal portholes at 2 and 11 o’clock
Diameter : 44 mm
Thickness : 14,26 mm
Water resistance : 30 m
Glass : Domed sapphire crystal glareproofed on both sides
Case-back : Fitted with a “chevee” sapphire crystal pane glare-proofed on both sides
Crown type : Dynamometric in ceramised titanium with black ceramic medallion

• Dynamometric crown (decoupling system)
• Case-back fitted with a “chevee” sapphire crystal pane glare-proofed on both sides.
• Domed “chevee” sapphire crystal glare-proofed on both sides
DIAL
• Openworked nickel silver decorative plate topping the mainplate (dial):
Possible finishes: vertical satin-brushed or sandblasted
Possible colours: champagne-toned, anthracite or blue
• Circular satin-brushed seconds inner bezel ring surrounding the dial
Possible colours: champagne-toned, anthracite or silver-toned
• Mirror-polished stainless-steel gear-train bridges between 3 and 6 o’clock
• Power-reserve indication with “0_1” engraving on a 9 o’clock bridge visible on the dial side
HANDS
• Dagger-shaped hours and minutes hands in 18-carat gold
• Central sweep-seconds hand in brass
• Arrow-shaped power-reserve hand in 18-carat gold
STRAP AND BUCKLE
• Hand-sewn leather strap (125 x 70 mm, with a 20 mm buckle) – Various sizes available on request
• Length-adjustable double-blade folding clasp – Pin buckle available on request
FUNCTIONS
• Hours and minutes, deadbeat seconds, power reserve, time-setting with stop-seconds device on the
balance
MOVEMENT
• Calibre FB-RES.FC: mechanical manual-winding movement, constant force with fusee-and-chain
transmission and one-second remontoire
Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37.30 mm
Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.37 mm
Lignes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 ½
Jewels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18,000 vph (2.5 Hz)
Power reserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 hours

TECHNICAL CHARACTERISTICS
• Constant force with fusee-and-chain transmission
Inverted and suspended fusee – differential winding system (PATENT)
Suspended barrel – Maltese cross stopwork system
• Regulating organ
Two-arm variable-inertia Ferdinand Berthoud balance wheel fitted with 4 integrated adjustment
screws
Balance-spring with hand-crafted Phillips outer terminal curve (steel alloy)
Swiss lever escapement
15-toothed escape-wheel
• “Remontoir d’égalité” mechanism
One-second winding
Three-toothed stop wheel
Triple-sided cam in hand-crafted synthetic ruby
Flat spiral spring (steel alloy)
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200 (including the chain)
Chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 790 components
Chain length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285 mm
Bridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Pillars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
DECORATIONS
• Nickel silver bridges fitted on stylised stainless-steel pillars, decorated according to dial design
• Hand-finishing according to the highest watchmaking standards
Of ficially chronometer-cer tified by the COSC  
STRAP
Alligator leather strap (125 x 70 mm) – Various sizes available on request
Buckle : Length-adjustable double-blade folding clasp or pin buckle

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Press Release - 2024
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Chronométrie FERDINAND BERTHOUD SA
Rue des Moulins 20
Case postale 128
2114 Fleurier, Val-de-Travers (NE)
Switzerland
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