Optima 11
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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)
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