8 3/4”’ | Hand Wind | Swiss Lever | No Seconds

• Listing ID: 975
• Manufacturer / Brand: Optima
• Caliber: 11
• Size in French Lignes: 8 3/4'''
• Size range mm largest diameter: 0 - 22 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: Bimetallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown
• Identification: Listed in the Classification Horlogère of 1936
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-51#post-6855506
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)