5 3/4 x 8 1/2”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Rocking bar winding
• Movement family:
  • Förster 620
  • Förster 630: hidden crown wheel and ratchet wheel, click on the dial side

• Listing ID: 8696
• Manufacturer / Brand: Förster
• Caliber: 620
• Size in French Lignes: 5 3/4 x 8 1/2'''
• 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: 15
• Setting Lever Screw/Pin Position: Left
• Balance Position: Right (0 - 120°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1957
• Identification: Dial side marked with Förster logo and 620. Listed in the Flume K1 catalog in the part from 1957.
• Country: Germany
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)