10 1/2”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• There is also a Béguelin / Damas / Tramelan caliber 9 with 19”’

• Listing ID: 2879
• Manufacturer / Brand: Béguelin / Damas / Tramelan
• Caliber: 9 10 1/2''' old
• Size in French Lignes: 10 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• 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: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown
• Country: Switzerland
• Identification: The 1950 Paulson catalog shows the movement with a setting lever spring. This movement without setting lever spring is therefore older, hence the designation Tramelan 9 old.
• 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-32#post-4066192