Workshop Ledger

Movement RegistryPocket-watch calibres, escapements and jewelling, transcribed from maker records

SeriesIX1996–2026

A working census of antique pocket-watch movements drawn from Geneva, Glashütte, Le Locle and the English workshops of Prescot and Coventry. Calibre references, escapement type, jewelling and adjustment data, transcribed from original maker ledgers.

Escapements LeverDetentCylinderDuplexVergeKarruselTourbillonFusee

Recent Entries

15 movements
Ref.Calibre · Maker · SpecificationOrigin & YearJew.GradeDiam.
CAL-19LJ Calibre 19 LépineLeCoultre & Cielever escapement · 17 jewels · 5 adjustments Le Sentier1911 17A42.9 mm
CAL-43GS Glashütte Präzision 43A. Lange Werkelever · 16 jewels · gold train · swan-neck Glashütte1898 16AA43.5 mm
CAL-16PR Prescot Fusee No. 16Lancashire Watch Co.English lever · chain fusee · 15 jewels Prescot1889 15B48.0 mm
CAL-21SV Savonnette 21Patek Frèreslever · 18 jewels · wolf-tooth winding Geneva1905 18AA44.2 mm
CAL-12CY Cylindre 12 LigneVacheron Constantincylinder escapement · 8 jewels Geneva1872 8C27.1 mm
CAL-30KR Karrusel 52 minBonniksen Patentone-minute karrusel · 19 jewels Coventry1894 19AA45.0 mm
CAL-17DT Detent Marine 17Ulysse Nardinspring detent · 21 jewels · chronometer Le Locle1901 21AA50.3 mm
CAL-08DX Duplex Pocket 08James McCabeduplex escapement · 11 jewels London1864 11B46.5 mm
CAL-22TB Tourbillon École 22Girard-Perregauxone-minute tourbillon · three gold bridges La Chaux-de-Fonds1889 19AAA44.8 mm
CAL-14VG Verge Pair-Case 14Thomas Tompionverge & fusee · pierced cock London1698 0B55.0 mm
CAL-20RT Repeater Quart 20Audemars Frèresquarter-repeater · lever · 23 jewels Le Brassus1908 23AAA47.0 mm
CAL-18CH Chronographe 18Longines Watch Co.lever · column-wheel chrono · 17 jewels Saint-Imier1913 17A45.6 mm
CAL-15RR Railroad Grade 15Waltham Watch Co.lever · 21 jewels · lever-set · adjusted Waltham1907 21AA45.0 mm
CAL-24PM Perpetual Moon 24Henri Captlever · perpetual calendar · moonphase Geneva1896 29AAA48.5 mm
CAL-09CL Clockwatch 09Charles Frodshamlever · grande sonnerie · 25 jewels London1884 25AAA52.0 mm