8 3/4”’ | Hand Wind | Swiss Lever | Direct Sweeping Second |

Remarks:

• Movement family:
  • FEF 6680: no date
  • FEF 6686: date

• Listing ID: 585
• Manufacturer / Brand: FEF
• Caliber: 6680
• Size in French Lignes: 8 3/4'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Right (0 - 120°)
• Shock Protection: Trishock
• Beats per hour: 21,600
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1970
• Identification: Movement plate marked FEF 6680. Illustrated in the 1972 Flume K3 catalog
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-58#post-8078721
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)