Grail Watch Reference

A Reference Library for Watches from Grail Watch

  • Movement Database
  • Grail Watch Blog
  • The Watch Files Podcast
  • Reference Documents
  • About Grail Watch
  • Email
  • Instagram
  • LinkedIn
  • Twitter

Powered by Genesis

You are here: Home / Movements / Minerva 18/1

Minerva 18/1

Last Update: December 16, 2022

Brand:Minerva
Family:
Unknown
Height:6.7 mm
Jewels:6, 10
Reserve: hours
Frequency:18,000 A/h
Winding:Hand winding
Diameter:39.95 mm (18 ligne)
  Complications:
Hands:Central Hour Hand, Central Minute Hand
Distinguishing Technical Characteristics
Hand-Winding
Counter-Clockwise Balance Cock
Balance at 4:30
Barrel at 10:30
Production: 1895 – 1941
1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s

Cal. 1 was an 18 ligne pin-set pocket watch movement produced by Robert Frères (later called Minerva) from about 1895 through the early 1940s. It was a basic movement with a cylinder escapement and was usually cased with an open face.



Ranfft Pink Pages

Related Posts

ETA 2893-2

Chronoswiss C.125

Valjoux 88 VZHCL

Zenith 693

Chronoswiss C.124

Chronoswiss C.126