17 1/2”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Movement family:
  • Langendorf / Lanco 25: Lépine (open face) variant
  • Langendorf / Lanco 26: Savonnette (hunter) variant

• Listing ID: 3603
• Manufacturer / Brand: Langendorf / Lanco
• Caliber: 26
• Size in French Lignes: 17 1/2'''
• Size range mm largest diameter: 31 - 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 15
• 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: Unknown
• Production Period: Unknown
• Identification: Listed in the Classification Horlogère of 1936. Barrel bridge marked with LANCO.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-22#post-3310598
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)