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

Remarks:

• Lateral screws for fastening the dial

• Listing ID: 1229
• Manufacturer / Brand: Grandjean
• Caliber: Model No. 180
• Size in French Lignes: 19'''
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 7
• Setting Lever Screw/Pin Position: Right
• Balance Position: Left (240 - 360°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Probably around 1907
• Identification: Registered by Fritz Grandjean on 06.06.1907 in the Swiss Official Gazette of Commerce as model No. 180. Model No. 180 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-48#post-6485811
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)