5 1/2 x 6 3/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Movement available with and without bevelled edges
• Movement family:
  • FEF 6600: 18,000, setting lever screw
  • FEF 6620: 21,600, setting lever screw
  • FEF 6630: 21,600, setting lever pin

• Listing ID: 7767
• Manufacturer / Brand: FEF
• Caliber: 6620
• Size in French Lignes: 5 1/2 x 6 3/4'''
• 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: Unknown
• Beats per hour: 21,600
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1969
• Identification: Movement marked with FEF 6620 under the balance wheel. Listed in the Engelkemper catalog from 1969.
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)