6 3/4 x 8”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Visible differences between FEF 371 and FEF 372:
  • The 371 has no shock protection, the 372 has an Incabloc
  • The 371 has a screw balance, the 372 a smooth balance
  • The 371 has a fixed hairspring stud-holder, the 372 has a mobile one

• Listing ID: 3148
• Manufacturer / Brand: FEF
• Caliber: 372
• Size in French Lignes: 6 3/4 x 8'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Form
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown
• Identification: Dial side marked FEF 371, wheel train bridge marked with Model CZ3 BENRUS.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-28#post-3811546
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)