8 3/4 x 11”’ | Hand Wind | Swiss Lever | Indirect Sweeping Seconds |

Remarks:

• Rocking bar winding
• Click on the dial side
• Movement family:
  • Förster 2075: small seconds, click + click spring between plates
  • Förster 2080: small seconds, no click, only click spring
  • Förster 2080 CLD: small seconds, date
  • Förster 2080 SC: sweeping seconds
  • Förster 2091: small seconds, no click, only click spring, modified crown mechanism
  • Förster 2091 CLD: small seconds, date
  • Förster 2091 SC: sweeping seconds
  • Förster 2092: small seconds, click + click spring on dial side
  • Förster 2092 CLD: small seconds, date
  • Förster 2092 SC: sweeping seconds

• Listing ID: 3669
• Manufacturer / Brand: Förster
• Caliber: 2091 SC
• Size in French Lignes: 8 3/4 x 11'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Form
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Förster (acts only axially)
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1957
• Country: Germany
• Identification: Barrel bridge marked with Förster logo and 2091. Listed in Flume K1 catalog in the 1957 part.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-21#post-3224909