Ultra 10 1/2'''
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10 1/2”’ | Hand Wind | Swiss Lever | Small Seconds |
Remarks:
- The movement is also available with direct sweeping seconds as Ultra 10 1/2”’ SC
- Listing ID: 2629
- Manufacturer / Brand: Ultra
- Caliber: 10 1/2'''
- Size in French Lignes: 10 1/2'''
- Size range mm largest diameter: 22 - 31 mm
- Shape: Round
- Winding: Manual (Crown)
- Hands Setting: Crown
- Seconds Hand: Small seconds
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: None
- Jewels: 15
- Setting Lever Screw/Pin Position: Right
- 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 1933.
- Identification: Dial side marked ULTRA, listed in a Geismar catalog from 1933
- External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-32#post-4134246
- External Link 2: https://watch-movements.eu/blog/en/2018/07/01/ultra-watches-and-movements-from-france/
- Country: France
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
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