6”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Movement family:
  • Junghans 660 = ETA 2440: 18,000 bph
  • Junghans 661 = ETA 2442: 21,600 bph

• Listing ID: 13948
• Manufacturer / Brand: ETA / Junghans
• Caliber: Junghans 661 = ETA 2442
• Size in French Lignes: 6'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Round
• 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: Left
• Balance Position: Right (0 - 120°)
• Shock Protection: Junghans II
• Beats per hour: 21,600
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 40 hours
• Production Period: Unknown, probably around 1962
• Country: Switzerland
• Identification: Movement marked with 2442 under the balance wheel. Wheel train bridge marked with 661. Listed in the Flume K2 catalog from 1962.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)