12”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Movement family:
  • Felsa 390 = AM 390: 12”’, small seconds, with mounting flange
  • Felsa 391 = AM 391: 12”’, small seconds, without mounting flange
  • Felsa 392 = AM 392: 12”’, details unknown
  • Felsa 393 = AM 393: 12”’, small seconds, without mounting flange, separated cock for escape wheel
  • Felsa 394 = AM 394: 12”’, indirect sweeping seconds, with mounting flange
  • Felsa 395 = AM 395: 12”’, indirect sweeping seconds, without mounting flange
  • Felsa 396 = AM 396: 12”’, details unknown
  • Felsa 397 = AM 397: 12”’, details unknown
  • Felsa 398 = AM 398: 12”’, details unknown
  • Felsa 399: 13”’, small seconds, height 3.9 mm
  • Felsa 750: 13”’, small seconds, height 4.75 mm
  • Felsa 755: 13”’, indirect sweeping seconds, height 4.75 mm

• Listing ID: 13012
• Manufacturer / Brand: Felsa / AM
• Caliber: 390
• Size in French Lignes: 12'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 21
• Setting Lever Screw/Pin Position: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 45 hours
• Production Period: Unknown, probably around 1947
• Country: Switzerland
• Identification: Movement marked with F 390. Listed in the Flume K1 catalog in the part from 1947.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)