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Leroy - Chronometre Observatoire

Baselworld 2015: Leroy Chronometre Observatoire. This year, at Baselworld 2015, Leroy offered a preview of two exciting new timepieces, the Chronomètre Observatoire and Chronomètre à Tourbillon. Official pictures, technical specifications and pricing of the new Leroy Chronomètre Observatoire. Each Leroy Chronomètre Observatoire watch is chronometer-certified by the Besançon Observatory. The price, for each version, is Swiss Francs 35,000.
Leroy has a relevant space in the history of watchmaking and chronometry. Its origins date back to 1713 when master watchmaker Julien Le Roy joined the select circle of the Corporation des Horlogers parisiens. Marie-Antoinette, Proust, Matisse, Napoleon, Queen Victoria, Roosevelt, Chopin, Nobel, Bugatti, aviation pioneers Charles Lindbergh and Santos-Dumont are just some of the illustrious owners of a watch manufactured by Leroy. During its history, Leroy won a record 384 gold medals in chronometry competitions.

This year, at Baselworld 2015, Leroy offered a preview of two exciting new timepieces, the Chronomètre Observatoire and the Chronomètre à Tourbillon. There was lot of buzz about them and we are glad to finally share with our readers official pictures, technical specifications and pricing of the new Leroy Chronomètre Observatoire. The Chronomètre à Tourbillon will be covered as soon as we will receive full details.

The Chronomètre Observatoire is a timepiece that will be received with enthusiasm by collectors and connoisseurs which appreciate traditional watchmaking techniques.

The refined solid 925 silver dial is captivating with its precious hand-guilloché "barleycorn" motifs inspired by 19th century Leroy pocket watches and the applied Arabic numerals made of gold and delicately cabochonné (hand-polished and domed). The openworked steel hands are based on an exclusive Leroy design.

A small subdial at 6 o’clock shows the passing of the seconds by means of a "duplex" jump (thus named in tribute to Pierre Le Roy and his Duplex escapement) consisting in a short jump followed by a longer one.


At 9 o'clock, a lozenge-shaped aperture - small enough not to disturb the aesthetic balance of the dial - reveals the disc providing the 98-hour power-reserve indication. From 0 to 60 hours, the disc remains the same colour as the dial, while from 60 to 80 hours, it switches to white; beyond 80 hours it appears in red to signal that the autonomy is nearly at the end.


The dials come in a choice of five colours: opaline silver-toned, Leroy blue, Leroy champagne, rosé champagne and slate grey. The hour-markers match the colour of the gold case, while blue, rhodiumed or black gold hands may be selected according to the customer’s personal preferences.



The classic round case is available in two sizes (38 mm and 40 mm with a thickness of 9.7 mm and 10.50 mm respectively) and three versions: palladium-coated (non rhodiumed) white gold, red gold and a two-tone variation.


The case is composed of three parts: a satin-brushed bezel, a circular saint-brushed case middle and polished gadroons. The glareproofed sapphire crystal case-back enables the owner to admire the movement and its hand-crafted finishes.

The new Leroy Chronomètre Observatoire is equipped with the new-generation hand-wound L200 movement entirely developed and built in the Leroy Manufacture in Le Sentier which features an escapement with direct impulse on the balance (1 impulse/1 oscillation) that transmits constant energy to the regulating organ and ensures excellent rating precision.


The balance with its 4 adjustment screws is equipped with a balance-spring produced by a company belonging to the Festina Group and comprising an unusual double terminal curve. The combination of inward and outwards curves is conducive to isochronism by enabling perfectly concentric deployment in a vertical position and eliminating any potential imbalances described in watchmaking literature as the"Grossmann effect".


The calibre oscillates at a rate of 18,000 vibrations per hour (2.5 Hz) and features parallel-mounted twin barrels and 42 jewels including four synthetic diamond jewels.

The finishes are outstanding. The bridges are bevelled and frosted. All the screws are blued from the outset to avoid oxidation, while the screw heads are specular-polished. Even the profiles of the collets are polished. The pinion leaves are polished using a wooden grinding wheel and the ratchet-wheels finished using the "Mât de Genève" (Geneva Mast) process, an ancient decorative technique that gives them an anthracite colour.


The timepiece is matched to a hand-sewn alcantara-lined alligator leather strap secured by a pin buckle or folding clasp.

Each Leroy Chronomètre Observatoire watch is individually numbered and delivered with it own chronometer rating certificate issued by the Besançon Observatory. The price, for all versions, is Swiss Francs 35,000 before taxes. montres-leroy.com

COMMENTS

Name

A. Lange & Sohne,142,Accutron,1,AkriviA,10,Alain Silberstein,4,alarm,18,Alpina,19,Andersen Geneve,2,Andersmann,2,Andreas Strehler,5,Angelus,6,annual calendar,43,Anonimo,15,Anthony de Haas,1,Antiquorum,4,Antoine Martin,2,Antoine Preziuso,1,Apple,2,Apple Watch,2,Aquadive,2,Aquastar,1,Armin Strom,80,Arnold and Son,27,Artime,1,Astarwatch,1,Atelier de Chronometrie,1,Ateliers deMonaco,2,Atmos,1,Auctions,93,Audemars Piguet,97,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 & Mercier,17,Baume et Mercier,71,Beaubleu,1,Bell & Ross,41,Bernhard Lederer,4,Bernhard Zwinz,1,bespoke,1,Blancpain,98,blue dial,3,Bonhams,2,Bovet,14,Brands histories,1,Breguet,127,Breitling,74,Bremont,1,Bremont Watch Company,4,Breva,2,bronze,28,Bücherei,1,Bucherer,1,Bulgari,121,Bulova,2,Burberry,1,C3H5N3O9,1,carbon,4,carillon,4,Carl F. Bucherer,4,Carl Suchy,1,Carrera,20,Cartier,49,ceramic,22,Certina,13,Chanel,5,Chaumet,3,chiming hour,15,Chopard,42,Christiaan van der Klaauw,1,Christie's,9,Christophe Claret,5,Christopher Ward,15,chronograph,781,chronometer,41,Chronoswiss,6,Cimier,1,Citizen,4,co-axial,1,column-wheel,9,complete calendar,29,complications,90,concept watch,5,Concord,1,constant-force,39,Corum,18,Credor,2,CSEM,1,Cuervo y Sobrinos,1,Cyrus,34,Czapek,8,Dan Niederer,1,Davosa,1,Daytona,8,De Bethune,28,de Grisogono,3,dead seconds,21,Delma,2,detent escapement,4,DeWitt,9,digital display,1,dive watches,94,diving,8,diving watches,413,double regulator,3,Doxa,39,drei,1,dress watches,530,dual time,107,Ebel,2,Eberhard,35,Edouard Koehn,7,Edox,6,El Primero,42,Emile Chouriet,1,Emmanuel Bouchet,1,Emmanuel Breguet,1,enamel dial,14,enamelling,16,Equation of time,9,ETA,1,Eterna,18,exhibitions,1,F.P.Journe,40,Faberge,2,factory tours,3,Favre-Leuba,1,feature article,91,features,126,Felipe Pikullik,2,Ferdinand Berthoud,8,flyback,63,Fondation de la Haute Horlogerie,1,Formex,1,Fortis,9,Franc Vila Founder,1,Franck Muller,8,Frederic Jouvenot,1,Frederique Constant,19,Furlan Marri,1,FVF,1,Gallet,1,Garrick,1,Geneva Watchmaking Grand Prix,8,Georg Jensen,1,George Daniels,4,Gerald Charles,2,Gerald Genta,13,Girard-Perregaux,48,Glashuette,19,Glashuette Original,93,Glashütte,33,Glashütte Original,126,Glycine,4,GMT,137,GoS,1,GoS Watches,1,GPHG,21,GPHG 2020,3,GPHG 2021,3,GPHG 2022,3,GPHG 2023,3,GPHG 2024,1,GPHG2019,1,Graham,6,Grand Feu,6,Grand Prix d’Horlogerie de Geneve,16,Grand Seiko,36,Grande Complication,28,Grande Sonnerie,9,Greubel Forsey,38,greubelforsey,1,Gronefeld,10,Grönefeld,8,Grossmann,3,guilloché,8,H. Moser and Cie,51,H20 Watch,1,Habring,10,Habring2,11,Hajime Asaoka,2,Hallmark of Geneva,2,Hamilton,38,hands-on,132,Hanhart,20,Harry Winston,11,Hautlence,6,Hermes,26,Heuer,2,high jewellery,2,high-frequency,5,Hublot,64,Hybris Artistica,1,Hydro Mechanical Horologists,7,HYT Watches,16,Icon,1,In pictures,18,independent watchmaker,39,industry news,242,interview,8,Interviews,8,IWC,173,Jacques Bianchi,1,Jaeger-LeCoultre,128,Jaquet Droz,58,Jean-Francois Mojon,1,Jean-Marc Pontroué,1,JeanRichard,3,jumping hours,38,Junghans,12,Kaj Korpela,1,Kari Voutilainen,11,Kenissi,1,Kollokium,1,Korpela,1,Krayon,4,Kudoke,6,Kurono,2,L.Leroy,1,L'Epee 1839,2,Labails,1,Ladies watches,196,Lang & Heyne,4,Lang 1943,1,Lange,53,large date,3,Laurent Ferrier,25,Laureus,2,Le Garde Temps,1,Lederer Watches,4,Leica,3,Lemania,1,Leroy,4,Linde Werdelin,2,Longines,102,Louis Erard,33,Louis Moinet,8,Louis Vuitton,2,luxury steel watch,27,LVMH,10,LVMH 2020,6,M.A.D.Edition,5,M.A.D.Editions,5,Maîtres du Temps,1,Manufacture Contemporaine du Temps,3,Manufacture Royale,3,Marc Lang,1,marine chronometer,2,Marqueterie,1,Maurice de Mauriac,2,Maurice Lacroix,27,MB&F,71,MCT,1,MeisterSinger,98,meteorite,3,metiers d'art,2,Mickey Mouse,2,Mido,67,military watches,14,Minerva,4,Ming,2,Minute Repeater,62,monopusher chronograph,5,Montblanc,58,moon phases,131,Moritz Grossmann,31,Moser,46,Muhle,6,Mühle-Glashütte,5,mystery watches,4,Nautilus,13,New Britain Corp,1,new watches,3815,Nivada,3,Nomos,80,Norqain,32,Ochs und Junior,6,Officine Panerai,107,Omega,202,Only Watch,15,Only Watch 2015,4,Only Watch 2017,2,Only Watch 2019,3,Only Watch 2021,4,Only Watch 2023,10,Oris,44,paillonne,1,Panerai,110,Parmigiani,17,Parmigiani Fleurier,36,Pascal Coyon,1,Patek,60,Patek Philippe,137,Pedrozo & Piriz,1,perpetual calendar,151,Perrelet,12,Petermann Bedat,3,Phenomen,1,Philippe Dufour,1,Phillips,10,Piaget,39,Pierre DeRoche,2,pilot,1,pilot watch,115,Pininfarina,1,Pisa,17,Pisa 1940,5,Pisa Circle,13,Pita,1,planetarium,2,platinum,7,pocket watch,3,pocket watches,2,Poehlmann-Bresan,2,Poincon de Geneve,2,Porsche Design,17,Pre-SIHH 2016: Cartier - Clé de Cartier Automatic Skeleton,1,pulsometer,5,Purnell,1,quartz,11,Rado,20,Ralf Tech,3,Ralph Lauren,2,rattrapante,26,Raul Pages,2,Raymond Weil,5,rectangular watches,16,reddot award,1,regatta,3,regulator,29,remontoire,5,Remy Cools,1,Renaud Tixier,1,Reservoir,2,resonance,22,Ressence,13,retrograde,10,Revelation,1,Reverso,27,review,134,RGM,1,RGM Watch Co.,1,Richard Mille,117,Richemont,4,Richmond,1,Roger Dubuis,12,Roger Smith,1,Roger W. Smith,1,Rolex,72,Romain Gauthier,13,Romain Jerome,1,Royal Oak,40,Rudis Sylva,1,sapphire,4,Schwarz Etienne,1,Seamaster,10,Seiko,41,SevenFriday,26,SIHH,3,SIHH 2012,4,SIHH 2013,25,SIHH 2014,36,SIHH 2015,43,SIHH 2016,44,SIHH 2017,41,SIHH 2018,43,SIHH 2019,53,Simon Brette,2,Singer,7,Singer Reimagined,11,single hand,32,single-hand watches,39,Sinn,16,skeleton,36,smartwatch,9,solar energy,1,Sotheby's,8,Speake Marin,6,Speake-Marin,6,Speedmaster,38,split seconds,27,sport,1,sport watches,994,sportwatches,1,Spring Drive,3,square watches,4,squelette,61,steampunk,1,Steinhart,1,Strehler,1,striking time,16,SuisseMecanica,1,sunrise,2,sunset,2,Swatch,9,Swatch Group,24,Sylvain Pinaud,2,table clocks,4,Tag Heuer,184,tantalum,1,technical insight,3,terra Cielo Mare,1,Theo Auffret,1,tides,1,Tiffany,17,Tissot,10,titanium,12,top news,449,Torsti Laine,1,tourbillon,382,Trilobe,4,Tudor,39,Tulloch,1,Tutima,3,ultra thin,36,Ulysse Nardin,40,Unimatic,1,Union Glashutte,15,Universal Genève,1,Urban Jurgensen,29,Urwerk,22,Vacheron Constantin,83,Van Cleef & Arpels,7,Vauchier Fleurier,1,Vianney Halter,5,video,1,vintage watches,3,Vulcain,11,wandering hours,1,watches,1,Watches & Wonders,42,Watches & Wonders 2020,19,Watches & Wonders 2021,28,Watches & Wonders 2022,35,Watches & Wonders 2023,38,Watches & Wonders 2024,47,Watches & Wonders 2025,2,Watches&Wonders,10,WatchesandWonders2022,35,WatchesandWonders2023,39,WatchesandWonders2024,48,WatchesandWonders2025,2,Wilhelm Schmid,1,Winnerl,1,worldtime,58,YEMA,5,Zannetti,1,Zeitwerk,2,Zeitwinkel,1,Zenith,114,Zodiac,9,
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Time and Watches | The watch blog: Leroy - Chronometre Observatoire
Leroy - Chronometre Observatoire
Baselworld 2015: Leroy Chronometre Observatoire. This year, at Baselworld 2015, Leroy offered a preview of two exciting new timepieces, the Chronomètre Observatoire and Chronomètre à Tourbillon. Official pictures, technical specifications and pricing of the new Leroy Chronomètre Observatoire. Each Leroy Chronomètre Observatoire watch is chronometer-certified by the Besançon Observatory. The price, for each version, is Swiss Francs 35,000.
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