12 1/2”’ | Automatic | Swiss Lever | Direct Sweeping Seconds |

Remarks:

• Bumper automatic
• Movement family:
  • Langendorf / Lanco 1231: small seconds
  • Langendorf / Lanco 1232: direct sweeping seconds

• Listing ID: 17343
• Manufacturer / Brand: Langendorf / Lanco
• Caliber: 1232
• Size in French Lignes: 12 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Automatic
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Incabloc
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1957
• Country: Switzerland
• Identification: Listed in the Flume K1 catalog in the part from from 1957.
• Contributor ©: Uhrforum.de member JackDaniels83
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-75#post-10371753