8 3/4”’ | Hand Wind | Swiss Lever | Small Seconds

 

• Listing ID: 432
• Manufacturer / Brand: O. Maire
• Caliber: OM 140
• Size: 8 3/4'''
• Shape: Round
• Winding: Manual (Crown)
• Hand Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date & Day: 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: Unknown, probably around 1950
• Identification: Dial side marked OM 140. Listed in the "Official Catalogue of genuine Swiss Watch repair parts" from 1949 and in the Flume K1 in the 1952 part.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-58#post-8158250
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)