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Ferdinand Berthoud - Chronomètre FB RSM with Deadbeat Seconds

The new Ferdinand Berthoud Chronomètre FB RSM combines a tourbillon regulator with fusee-and-chain to deadbeat seconds and stop-seconds. Price €258,00
With the new Chronomètre FB RSM recently presented by Ferdinand Berthoud, their exclusive tourbillon regulator with fusee-and-chain transmission is further enhanced, for the first time, by two sophisticated complications: independent deadbeat seconds visible on the dial side and a stop-seconds mechanism.

Ferdinand Berthoud Chronomètre FB RSM with Deadbeat Seconds

Its FB-T.FC-RSM calibre features a pillar-type architecture, in which both the barrel and the inverted fusee are suspended and patented. This fusee-and-chain mechanism is inspired by that of Ferdinand Berthoud's marine chronometers. 

It ensures the distribution of energy by delivering ‘constant force’ to the patented tourbillon with direct-drive seconds.

Ferdinand Berthoud Chronomètre FB RSM with Deadbeat Seconds

This construction reduces the thickness of the movement – which at just 9.89 mm remains very thin for its category despite the integration of an independent deadbeat seconds mechanism.

Ferdinand Berthoud Chronomètre FB RSM with Deadbeat Seconds

The Chronomètre FB RSM offers a unique take of the regulator-type display. 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; the seconds hand occupies a central position on the watch face. 

Ferdinand Berthoud Chronomètre FB RSM with Deadbeat Seconds

The “SM” letters added to the calibre name refer to the deadbeat seconds mechanism ("seconde morte" in French), while a balance-stop device enables the tourbillon to be stopped when setting the time to the exact second. 

The creation of a deadbeat seconds mechanism is a major challenge for any watch that claims to earn chronometer certification. This is because stopping and restarting the central hand in one-second jumps involves three steps: stopping the gear train concerned; storing the torque it continues to produce during this pause; and then releasing it all at once after one second. 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. This explains why the majority of deadbeat seconds movements fail to achieve COSC certification which, instead, was awarded to the Chronomètre FB RSM.

Ferdinand Berthoud Chronomètre FB RSM with Deadbeat Seconds

Beating at the frequency of 21,600 vibrations per hour, this movement offers 53 hours of power reserve, visible from the back.

The 18-carat gold dial is hand-engraved and bears the "No. 8" inscription like the original No. 8 Marine Clock created by Ferdinand Berthoud in 1768, the inspiration for the FB RSM model. 

Ferdinand Berthoud Marine Clock No. 8 - 1768

The deadbeat seconds mechanism is visible through a special symbolically figure-eight-shaped aperture at 9 o'clock. 

Ferdinand Berthoud Chronomètre FB RSM with Deadbeat Seconds

Only 20 movements will be produced, and several aesthetic elements can be chosen by the collector, including the shape of the case that can be round or octagonal. The round rose gold and white gold cases shown in the pictures of this article measure 44 mm x 14.30 mm.

The Ferdinand Berthoud Chronomètre FB RSM has an indicative price of Euro 258,000. ferdinandberthoud.ch

Ferdinand Berthoud Chronomètre FB RSM with Deadbeat Seconds

COMMENTS

Name

A. Lange & Sohne,120,AkriviA,9,Alain Silberstein,2,alarm,13,Alpina,12,Andersen Geneve,2,Andersmann,2,Andreas Strehler,5,Angelus,5,annual calendar,39,Anonimo,15,Anthony de Haas,1,Antiquorum,2,Antoine Martin,2,Antoine Preziuso,1,Apple,2,Apple Watch,2,Aquadive,2,Aquastar,1,Armin Strom,63,Arnold and Son,23,Astarwatch,1,Atelier de Chronometrie,1,Ateliers deMonaco,2,Atmos,1,Auctions,75,Audemars Piguet,72,Autodromo,1,automaton,2,BA111OD,1,Ball Watch,1,Bamford,2,Baselword 2022,1,Baselworld,8,BaselWorld 2013,50,BaselWorld 2014,53,Baselworld 2015,69,Baselworld 2016,27,Baselworld 2017,64,Baselworld 2018,75,Baselworld 2019,41,Baselworld 2020,2,Baume,4,Baume et Mercier,49,Bell & Ross,34,Bernard Lederer Universe,1,Bernhard Lederer,2,Bernhard Zwinz,1,bespoke,1,Blancpain,76,BLU,1,blue dial,3,Bonhams,2,Bovet,11,Brands histories,1,Breguet,104,Breitling,60,Bremont,1,Bremont Watch Company,4,Breva,2,bronze,24,Bücherei,1,Bulgari,93,Bulova,1,Burberry,1,C3H5N3O9,1,carbon,2,carillon,3,Carl F. Bucherer,2,Carl Suchy,1,Carrera,9,Cartier,44,ceramic,11,Certina,8,Chanel,4,Chaumet,3,chiming hour,8,Chopard,35,Christie's,6,Christophe Claret,5,Christopher Ward,9,chronograph,588,chronometer,34,Chronoswiss,5,Citizen,3,co-axial,1,column-wheel,7,complete calendar,20,complications,82,concept watch,5,Concord,1,constant-force,39,Corum,18,Credor,1,CSEM,1,Cyrus,24,Czapek,6,Dan Niederer,1,Davosa,1,Daytona,5,De Bethune,24,de Grisogono,3,dead seconds,20,detent escapement,2,DeWitt,9,digital display,1,dive watches,8,diving,7,diving watches,320,double regulator,3,Doxa,24,drei,1,dress watches,444,dual time,90,Ebel,1,Eberhard,33,Edouard Koehn,2,Edox,5,El Primero,37,Emile Chouriet,1,Emmanuel Bouchet,1,Emmanuel Breguet,1,enamel dial,9,enamelling,15,Equation of time,9,ETA,1,Eterna,18,exhibitions,1,F.P.Journe,34,Faberge,2,factory tours,3,Favre-Leuba,1,feature article,66,features,103,Ferdinand Berthoud,6,flyback,49,Fondation de la Haute Horlogerie,1,Fortis,8,Franc Vila Founder,1,Franck Muller,7,Frederic Jouvenot,1,Frederique Constant,14,Furlan Marri,1,FVF,1,Gallet,1,Geneva Watchmaking Grand Prix,8,Georg Jensen,1,George Daniels,4,Gerald Charles,2,Gerald Genta,9,Girard-Perregaux,43,Glashuette,18,Glashuette Original,69,Glashütte,32,Glashütte Original,101,Glycine,4,GMT,102,GoS,1,GoS Watches,1,GPHG,15,GPHG 2020,3,GPHG 2021,3,GPHG 2022,1,GPHG2019,1,Graham,6,Grand Feu,5,Grand Prix d’Horlogerie de Geneve,14,Grand Seiko,23,Grande Complication,26,Grande Sonnerie,7,Greubel Forsey,36,greubelforsey,1,Gronefeld,9,Grönefeld,8,Grossmann,3,guilloché,6,H. Moser and Cie,43,H20 Watch,1,Habring,9,Habring2,10,Hajime Asaoka,2,Hallmark of Geneva,2,Hamilton,30,hands-on,90,Hanhart,7,Harry Winston,11,Hautlence,6,Hermes,24,Heuer,2,high jewellery,1,Hublot,38,Hybris Artistica,1,Hydro Mechanical Horologists,7,HYT Watches,15,Icon,1,In pictures,10,independent watchmaker,18,industry news,203,interview,6,Interviews,6,IWC,137,Jaeger-LeCoultre,113,Jaquet Droz,58,Jean-Francois Mojon,1,Jean-Marc Pontroué,1,JeanRichard,3,jumping hours,33,Junghans,9,Kaj Korpela,1,Kari Voutilainen,9,Kenissi,1,Korpela,1,Krayon,3,Kudoke,4,Kurono,2,L'Epee 1839,1,Ladies watches,161,Lang & Heyne,3,Lange,43,large date,2,Laurent Ferrier,23,Laureus,2,Le Garde Temps,1,Lederer Watches,2,Leica,2,Lemania,1,Leroy,3,Linde Werdelin,2,Longines,74,Louis Erard,14,Louis Moinet,7,luxury steel watch,14,LVMH,9,LVMH 2020,6,M.A.D.Edition,2,M.A.D.Editions,2,Maîtres du Temps,1,Manufacture Contemporaine du Temps,3,Manufacture Royale,3,Marc Lang,1,marine chronometer,1,Maurice de Mauriac,2,Maurice Lacroix,13,MB&F,52,MCT,1,MeisterSinger,71,meteorite,2,metiers d'art,1,Mido,37,military watches,14,Minerva,2,Ming,1,Minute Repeater,55,monopusher chronograph,4,Montblanc,53,moon phases,110,Moritz Grossmann,30,Moser,38,Muhle,4,Mühle-Glashütte,3,mystery watches,4,Nautilus,8,New Britain Corp,1,new watches,3045,Nomos,57,Norqain,27,Ochs und Junior,5,Officine Panerai,94,Omega,161,Only Watch,9,Only Watch 2015,4,Only Watch 2017,2,Only Watch 2019,3,Only Watch 2021,4,Oris,38,paillonne,1,Panerai,97,Parmigiani,10,Parmigiani Fleurier,28,Pascal Coyon,1,Patek,43,Patek Philippe,117,Pedrozo & Piriz,1,perpetual calendar,128,Perrelet,10,Petermann Bedat,2,Phenomen,1,Philippe Dufour,1,Phillips,8,Piaget,24,Pierre DeRoche,2,pilot watch,92,Pisa,6,Pisa Circle,6,Pita,1,planetarium,1,platinum,5,pocket watch,3,pocket watches,2,Poincon de Geneve,2,Porsche Design,17,Pre-SIHH 2016: Cartier - Clé de Cartier Automatic Skeleton,1,pulsometer,5,Purnell,1,quartz,7,Rado,15,Ralf Tech,2,Ralph Lauren,2,rattrapante,19,Raul Pages,1,Raymond Weil,1,rectangular watches,12,reddot award,1,regatta,1,regulator,21,remontoire,5,Remy Cools,1,Reservoir,2,resonance,18,Ressence,10,retrograde,8,Revelation,1,Reverso,21,review,90,RGM,1,RGM Watch Co.,1,Richard Mille,95,Richemont,4,Richmond,1,Roger Dubuis,11,Roger Smith,1,Roger W. Smith,1,Rolex,55,Romain Gauthier,11,Romain Jerome,1,Royal Oak,30,Rudis Sylva,1,sapphire,3,Seamaster,5,Seiko,31,SevenFriday,18,SIHH,3,SIHH 2012,4,SIHH 2013,25,SIHH 2014,36,SIHH 2015,43,SIHH 2016,44,SIHH 2017,40,SIHH 2018,43,SIHH 2019,53,Singer,5,Singer Reimagined,8,single hand,20,single-hand watches,23,Sinn,14,skeleton,27,smartwatch,8,solar energy,1,Sotheby's,5,Speake-Marin,4,Speedmaster,30,split seconds,14,sport watches,775,Spring Drive,2,square watches,2,squelette,48,steampunk,1,Steinhart,1,striking time,16,SuisseMecanica,1,sunrise,2,sunset,2,Swatch,5,Swatch Group,18,Sylvain Pinaud,1,table clocks,4,Tag Heuer,144,technical insight,3,terra Cielo Mare,1,Tiffany,17,Tissot,6,titanium,5,top news,272,Torsti Laine,1,tourbillon,314,Trilobe,3,Tudor,31,Tulloch,1,Tutima,3,ultra thin,30,Ulysse Nardin,36,Unimatic,1,Union Glashutte,10,Urban Jurgensen,29,Urwerk,20,Vacheron Constantin,78,Van Cleef & Arpels,7,Vauchier Fleurier,1,Vianney Halter,5,video,1,vintage watches,3,Vulcain,10,wandering hours,1,watches,1,Watches & Wonders,38,Watches & Wonders 2020,19,Watches & Wonders 2021,28,Watches & Wonders 2022,34,Watches&Wonders,4,WatchesandWonders2022,35,Winnerl,1,worldtime,47,Zannetti,1,Zeitwerk,1,Zeitwinkel,1,Zenith,99,Zodiac,8,
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Time and Watches | The watch blog: Ferdinand Berthoud - Chronomètre FB RSM with Deadbeat Seconds
Ferdinand Berthoud - Chronomètre FB RSM with Deadbeat Seconds
The new Ferdinand Berthoud Chronomètre FB RSM combines a tourbillon regulator with fusee-and-chain to deadbeat seconds and stop-seconds. Price €258,00
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