Aaron Becsei
PRIMUS; Tourbillon No. 2 carriage clock
Watchmaker register
Find 344 watchmakers through the watches, movements, mechanisms, workshops, designs, and horological projects recorded as representative of their work.
This A–Z index starts with the work itself: a watch, calibre, mechanism, design, workshop, restoration, or research contribution named in the supplied record. Each entry leads to the full person dossier.
Watchmakers whose names begin with A, with the representative work retained in each research record. 28 people.
PRIMUS; Tourbillon No. 2 carriage clock
American system of watch manufacture
Tourbillon; pare-chute; Perpétuelle watches
Early self-winding watches
HM2.2 Black Box; LM1 Silberstein
Patek Philippe Genève: Pocket Watches (with Martin Huber); Patek Philippe Genève: Wristwatches
Pellaton winding system; calibre 89
Coyotepec farm clock (1912); Chignahuapan clock (1919)
Persée self-assembly desk clock
MOM mechanical clocks
Vintage-watch restoration; complicated pocket-watch repair
Cantilevered flying-tourbillon school watches
Independent mechanical watches and movements; Winnerl movement-component supply (Zwinz account)
Bespoke mechanical wristwatches
Dawn on the Lake; Palais Garnier ceiling miniature
Datograph L951 chronograph movement
Caveman watches; Blue Volta
Astronomical clock, 1800–1802 (Musée des arts et métiers, Inv. 10621-0001); Astronomical regulator, Paris 1802, MIH IV-143
Millionometre; LeCoultre manufacture
Patek, Czapek & Co.; Patek, Philippe & Cie
Complicated watches; meteorite timepieces
1741 treatise
Pharos; Lotus; Racer
Joseph Bulova School of Watchmaking
Hand-skeletonized watches; 1984 Basel collection
Historic watch and pocket-watch restoration
Agassiz workshop
Marine chronometer No. 51; observatory clocks
Watchmakers whose names begin with B, with the representative work retained in each research record. 11 people.
Titan Edge development
Titan Edge case development
1941 Grönograaf; 1941 Remontoire
Resonance clocks; double-escapement movements
Ressence Type 3; Type 2
Original escapement wristwatches
Winnerl marine-chronometer-inspired wristwatch; Simplicity assembly and finishing
Intergenerational continuity of Breitling
Rayville-Blancpain
Paragon; Lutria; calibre 475RS
Cochlea (2018); Portal (2018); automata conservation
Watchmakers whose names begin with C, with the representative work retained in each research record. 20 people.
American Issue; Ultralight movement; Executive Issue
Planetary dual-tourbillon development; multi-axis tourbillon research
Historical Grossmann watches
Roger Dubuis company; shared development of the Sympathie case design
Cartier Fine Watchmaking movements and concept watches
GENUS launch and commercial development
Three-quarter-plate exhibition watch (1851); precision chronometers
Preserved El Primero tooling
Charles F. Tissot & Fils assembly workshop (1853)
Invar; Elinvar; Guillaume balance
Tissot export business; Le Locle watchmaking school
Pendulum clock; spiral balance spring
Satellite du Monde; CVDK Planetarium; Pendule Variable; Kepler’s Planetarium Clock (1995)
Tourbillon No. 7; detent-escapement wristwatches
Modern Moritz Grossmann manufacture
CLA88 San Marco jacquemart minute repeater; CHW97 Tourbillon Glissière; DualTow
Armin Strom resonance system; manufacture development
Struthers bespoke watches
Handcrafted mechanical watches; restoration
19-ligne OMEGA calibre manufacturing programme (1894)
Watchmakers whose names begin with D, with the representative work retained in each research record. 14 people.
Kikutsunagimon Sakura
Quarter-repeating watches
Daniel Roth complicated watches
Apprenticeship Simplicity watch
Dark Rush watches; CVDK Ariadne, Astrolabium and Venus design contributions; Grand Planetarium Eccentric Manufacture (joint design, 2024)
Independent wristwatch development
Independent high-complication watches
(D)W5 Free Pendulum Clock; Double Pendulum Perpetual Calendar Clock
Establishment of De Bethune
DB Kind of Grande Complication; résonique research
H4 reconstruction (Pratt phase, 1997–2009; Frodsham completion, 2014)
Signature 1
RM 001 project; Guenat SA Montres Valgine
Renaud & Papi complicated movements; Tempus Fugit; RVI2023 / Monday
Watchmakers whose names begin with E, with the representative work retained in each research record. 12 people.
Mechanical watch calibre development
Ultra-thin calibre development
Audemars Piguet
American factory watchmaking
Original Swatch
Lange manufacture expansion
Seth Thomas station clock, Estación al Pacífico, San José
Watch designs for MB&F; MCT; Speake-Marin
Longines factory, 1867
IWC industrial stewardship
Swatch development programme
Ari curved watch
Watchmakers whose names begin with F, with the representative work retained in each research record. 19 people.
Octo Finissimo
URWERK mechanical wristwatches
Glashütte watchmaking establishment (1845)
Marine Clocks No. 6 and No. 8; Essai sur l'horlogerie; Marine clock no. 12, Paris 1774, MIH IV-84
Skull; Celebration Skull
Dial and pendulum restoration, Seth Thomas clock, Estación al Pacífico
IWC manufacture
Petermann Bédat Reference 1967, calibre 171 with deadbeat seconds
Time Machine TM1
Elaqsa watches; Group Khalis repair practice
Kaminari / FM01-Project; Deco Ibarra designs
Patek, Czapek & Co.
Cintrée Curvex; Revolution 3
Original wristwatches; mechanical clocks
Screw-down watch case
Coffee-drinking figure on flying carpet, MIH IV-947 (Sainte-Croix, 2000)
Laurent Ferrier manufacture
F.P. Journe Invenit et Fecit collection
W0301; WB-2 musical cuckoo movement; W2011 tide movement
Watchmakers whose names begin with G, with the representative work retained in each research record. 14 people.
1915 monopusher wrist chronograph; 1923 patent
Coin- and stamp-dial watch collections
Petermann Bédat Reference 1967, calibre 171 with deadbeat seconds
Co-Axial escapement; The Art of Breguet
Precision clocks and watches
Astronomical chronometer 342
Handmade tourbillon watches; Lincoln-watch examination (10 March 2009)
Zenith manufacture
Watchmaking pantograph
1963 Mossoró parish clock; 2020 Praça Padre Cícero column-clock restoration
High-complication movements
Independent watches; watchmaking education
Audemars Piguet Royal Oak; Patek Philippe Nautilus; IWC Ingenieur SL
IWC leadership
Watchmakers whose names begin with H, with the representative work retained in each research record. 10 people.
TSUNAMI; Project T; Chronograph
Rolex; wristwatch chronometry development
Towson chronograph development; Towson watch designs
H. Moser & Cie.
Jaquet-Droz humanoid automata (collaborative)
Man-nen Jimeisho replica
Asunción Metropolitan Cathedral clock restoration and maintenance
Man-nen Jimeisho; Makura-dokei; Taiko-dokei
3C10; 2189; 3960; 9611 decorated movements
Automatic clocks attributed to Sarton
Watchmakers whose names begin with I, with the representative work retained in each research record. 1 people.
ReOrder; Part Time; dynamic-dial watches
Watchmakers whose names begin with J, with the representative work retained in each research record. 44 people.
Carrera; Monaco; Calibre 11 programme
Original Swatch
Blancpain revival; Frédéric Piguet
Ultra-thin movement collaboration
Spherical balance springs; non-magnetic chronometer experiment
Origin-series watches; handmade silver cases
Self-striking palace water clock (자격궁루 / 自擊宮漏)
2010 IHC competition pocket watch; perpetual-calendar assembly
Keyless winding and setting mechanism
Sculptural mechanical clocks
Enamel painting
Lépine calibre; Striking pocket watch, Paris circa 1785, MIH I-2960
Blancpain mechanical-watch revival
Esphor, Espacité tower; L'Audacieuse clock; clockmaking teaching
Chronode movements
Jaquet-Droz automata; complicated export watches
Blancpain leadership; Fifty Fathoms and Ladybird programmes
Atmos clock
Signed 1755 pocket watch
Arceau Le Temps Suspendu; Compliquée Peacock; Harry Winston bi-retrograde perpetual-calendar module with Roger Dubuis
Independent dead seconds
Fabrication of Compteur de Tierces
JHP-hallmarked cases; Star Caliber 2000 case collaboration
Advanced Research; Spiromax development programme; Caliber 89 technical leadership
Datograph prototype
Antique-clock restoration for Havana heritage collections
Towson x Benzinger dials and skeletonized / decorated components
Semperoper five-minute clock
Meisterwerk; EINSER
Marine chronometer No. 3; pocket chronometer No. 1/36
H1; H2; H3; H4
US1576120A, Wrist watch and other watch (filed 1923; granted 1926)
McGonigle Tourbillon; Tuscar
Arnold & Son chronometers
The Wasp; Super-Catamaran
Harrison timekeeper conservation and interpretation
Astronomical wall clock
Bulova founding business, New York (1875)
Marine chronometers; precision pocket watches; observatory clocks; chronometer No. 405 (inventory dates it to 1859)
Infinity; Resurgence
Jerez reloj-farol, 1867
Audemars Piguet
Mantel clock held by the Metropolitan Museum
Tempus Fugit; RVI2023 / Monday
Watchmakers whose names begin with K, with the representative work retained in each research record. 16 people.
Bench clock repair documented in 2021
Minute repeaters; tourbillons; guilloché-dial watches
Hand-machined pebble-form prototypes; curved-case Grand Seiko design
1 of 30 series; calibre 29.30
7 Sins collaboration
Engraved NH dials
Xesha Sapphire; Dzuneka; Desiree Skeleton; Busa
G-SHOCK DW-5000C; protected electronic module
K. Hattori & Co. (1881); Seikosha (1892)
Mystery Tourbillon; Millennium – Fulfilled and Content, Reference 22
Observatory chronometers
Engraved watch components
Complicated astronomical clocks
NH watch design and assembly
Spring Drive control-circuit development; Grand Seiko calibre 9R
Da Vinci perpetual calendar
Watchmakers whose names begin with L, with the representative work retained in each research record. 17 people.
K1 marine timekeeper
Classic Tourbillon; Square Micro-Rotor
World-time exposed-balance movement; 12-hour carrousel movement; cantilever tourbillon
Jiefang Bridge watch (2015); ST8080GK skeleton dual tourbillon
Vinyl Record watch
Louis Brandt watchmaking establishment (1848)
Tank
World-time mechanism
Compteur de Tierces; Traité d’Horlogerie (1848)
Split-seconds counter
19-ligne OMEGA calibre manufacturing programme (1894)
SF24; Astronomia; Derek Pratt by Luca Soprana Remontoir d’Egalité
Carabus; Imperator
Upside Down
ochs und junior calendars; Türler Clock; Farnese Clock restoration
Astrarium reconstruction, MIH IV-625 (Milan, 1985)
Early Breitling chronographs
Watchmakers whose names begin with M, with the representative work retained in each research record. 24 people.
Tourbillon wristwatches; cylindrical movement concept
Marie-Elise
Original competition timepieces
Mechanical watch repair; supporting role in Estación al Pacífico clock restoration
Prologue P01 and P02; Arch A01; JJJ models
Astronomical complications
Lang & Heyne watches; Atelier Marco Lang
Habring² manufacture
CVDK astronomical-watch identity; Dark Rush design collaboration; Grand Planetarium Eccentric Manufacture (joint design, 2024)
UR-101; UR-102; UR-103
Wadokei temporal-hour wristwatch
G-SHOCK MRG-B2000SG
Organ clocks; mechanical longcase clocks
Cathedral clock winding and maintenance apprenticeship
Banbery ref. 3448; modified calibre 27-460 Q
US2971323A; Accutron tuning-fork technology
Opus programme; Horological Machines; Legacy Machines
Harrods watch workshop; Xupes service department; workshop assessment and training
Bangalore Watch Company; Mach 1 collection
Titan Edge design
Naissance d’une Montre 1
Toric; restored and enhanced L’Armoriale movement
Kinetic and sculptural mechanical clocks
MING watch design
Watchmakers whose names begin with N, with the representative work retained in each research record. 9 people.
NH Type 1
NH1; NH2
Renaissance; ND01s
Jeweled bearings
Swatch Group
1822 chronograph patent
Bangalore Watch Company; Mach 1 collection
Grand Seiko
BUCI paper-like dial watches; seconde/seconde/ collaboration
Watchmakers whose names begin with O, with the representative work retained in each research record. 1 people.
Spring Drive; Dual Spring Barrel; calibres 9R02 and 9R31
Watchmakers whose names begin with P, with the representative work retained in each research record. 15 people.
Precision chronometers; Ditisheim–Sarrauton chronograph
Retro-Twin; Cal. 33; Cal. 41
Omega–Tissot / SSIH industrial coordination; 1931 and 1936 supply-policy interventions
Marine-chronometer maintenance; Casa Pia horology examinations
Urban Jürgensen References 2 and 3; direction of the Oval pocket-watch project
Early small portable watches
Concentrique (1972); Grand Complication 5
Piccadilly; The Naked Watchmaker deconstructions (2018 interview)
Skeleton clocks; perpetual-calendar clocks
Longines Weems Second Setting Watch
Grande sonnerie; Duality; Simplicity
Precision pendulum clocks
The Writer; The Draughtsman; The Musician (collaborative)
Marine clock escapement, 1766
CVDK Grand Planetarium Eccentric Manufacture (2024)
Watchmakers whose names begin with R, with the representative work retained in each research record. 26 people.
Asunción Metropolitan Cathedral clock maintenance; San Lorenzo church clock repair
Retrograde 'The Unique'; Digimat
Sørnes astronomical clocks
Nairobi watch and clock repairs
Tortoise automaton; independent mechanical watches
Hands of Time; Struthers watches
Topkapı and Dolmabahçe palace clocks; restoration workshop and training
Bench watch repair documented in 2021
Datograph dial layout
Tourbillon pocket watch; Series One
AK-01; Chronomètre Contemporain I
Ceon GR-01
Astrum no. 2308220, Daners-signed 1984 case; IWC calibre 9720 base
Habring² wristwatches
Metal alloy for watch springs, patent 529945
RM 001 Tourbillon
Sinclair Harding mechanical clocks
Double Tourbillon 30°; Opus 6
Early spring-regulated timekeeping
Hommage and Sympathie watches; Harry Winston bi-retrograde perpetual-calendar collaboration
Series Two; Daniels Method watches
Caliber 801; Pennsylvania Tourbillon; Caliber 20
Revival of complicated mechanical watchmaking
Calibre HM 2206; Logical One
1857 Boston Watch Company asset acquisition; Waltham business development
Tourbillon Souscription (2020); Tourbillon Atelier
Watchmakers whose names begin with S, with the representative work retained in each research record. 23 people.
Professional watch-service practice documented in 2024
Five-minute repeater
Bench watch repair photographed in February 2021
Naeschke mechanical clocks
ZB1C automatic mechanism; ZB2-2 automatic/calendar; B24
Independent mechanical wristwatches
Chronomètre Artisans; Chronomètre Artisans Rose
Observatory chronometers
1669 armillary-clock development
Kaliber 1; hand-skeletonized watches
MoonMachine; MoonMachine 2
Double Tourbillon 30°; Naissance d’une Montre
Legacy Machine Perpetual
Bettél wooden-cased watches
Chinese standard movement; SL2LW stopwatch; SL2T tourbillon
TB01 family; 1996 tourbillon prototypes; 2004 limited edition
Titan Edge development
Alku; Loimu
Enamel-painted watch decoration
World Time; secular perpetual calendar; Bottle Clock
Monopusher chronograph; Origine
Harry Winston Opus V team work; GENUS GNS 1.2; IFAGE watchmaking curricula
Specific timepiece not established in reviewed profile
Watchmakers whose names begin with T, with the representative work retained in each research record. 12 people.
Grand Seiko Kodo; T0 development
Di-axial escapement
BY(G) twelve-note striking movement; SY eight-note movement
Earnshaw 512
Lever escapement; repeating watches
Trilogy of Tourbillons; Tempusvivendi; QP1
Precision clocks and watches
Tourbillon à Paris; Tourbillon Grand Sport; SpaceOne modules
1941 Grönograaf; 1896 One Hertz
Observatory chronometers
LOTH Watch 1
Early Seikosha wall clocks
Watchmakers whose names begin with U, with the representative work retained in each research record. 2 people.
Le Locle workshop (1846); precision watches
Deck chronometer No. XI (1821); watchmaking textbook (1804)
Watchmakers whose names begin with V, with the representative work retained in each research record. 7 people.
Wooden mechanical wristwatches
Franck Muller; Watchland
Government Road watch and jewellery shop; family repair apprenticeship
Voutilainen TP1 Only Watch 2019; after-sales servicing
Antiqua Perpetual Calendar
Shaped movements; flying tourbillons
V 30/49-01-A
Watchmakers whose names begin with W, with the representative work retained in each research record. 4 people.
Revival of A. Lange & Söhne
Off-centre and central tourbillons; automatic chronograph movements
1927 quartz clock; US1788533A frequency-control system
1933 patent; Huit Aviation
Watchmakers whose names begin with X, with the representative work retained in each research record. 3 people.
Titan Edge commercialization
Flying-ball clocks (飞球钟 / 飞球仪); automatic chain-driven clock movements
TB01 tourbillon family; B24 / B24-LB; automatic-watch textbook (1990)
Watchmakers whose names begin with Y, with the representative work retained in each research record. 3 people.
ST8210; ST9100; ST2590; ST9250
Credor Sonnerie
Quartz Lock patent (1978); Spring Drive
Watchmakers whose names begin with Z, with the representative work retained in each research record. 4 people.
ST9000; ST9100; ST8210; ST9250
Tourbillon minute repeater (2008); Wuji (2013)
ST2500; ST4200; Sea-Gull tourbillon programme
Off-centre and central tourbillons; automatic chronograph movements
Watchmakers whose names begin with É, with the representative work retained in each research record. 4 people.
1869 winding patent; 1887 oscillating-pinion improvement
Balance-spring terminal-curve theory; chronometric research
LeCoultre manufacture expansion
Legacy Machine Thunderdome
Watchmakers whose names begin with Ş, with the representative work retained in each research record. 1 people.
Restoration of clocks in the National Palaces