17”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Minute wheel and hand setting wheel not on the dial side, but on the inside of the plate

• Listing ID: 818
• Manufacturer / Brand: Courvoisier
• Caliber: Model No. 17
• Size in French Lignes: 17'''
• Size range mm largest diameter: 31 - 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown with pin/pusher
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Center
• Balance Position: Left (240 - 360°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Around 1924
• Country: Switzerland
• Identification: Movement marked Courvoisier Frères. Registered by Courvoisier in the Swiss Official Gazette of Commerce on 12.12.1924 as model No. 17. Model No. 17 is not an official caliber designation, but was used to register the design.
• 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-54#post-7300854
• External Link 2: https://watch-movements.eu/blog/en/2023/03/04/courvoisier-more-than-200-years-of-watchmaking-history/