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

• Listing ID: 1332
• Manufacturer / Brand: Courvoisier
• Caliber: Model No. 123
• 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: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Around 1919
• Identification: Registered by L. Courvoisier & Cie in the Swiss Official Gazette of Commerce on 09.08.1919 as model No. 123. Model No. 123 is not an official caliber designation, but was used to register the design.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-47#post-6368459
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)