Ultra 18'''
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18 1/2”’ | Hand Wind | Swiss Lever | Small Seconds |
Remarks:
- Curved regulator, the display of which is not on the balance cock as usual, but on the wheel train bridge
- Listing ID: 2823
- Manufacturer / Brand: Ultra
- Caliber: 18'''
- Size in French Lignes: 18 3/4''' (according to manufacturer 18''')
- Size range mm largest diameter: > 40 mm
- Shape: Round
- Winding: Manual (Crown)
- Hands Setting: Crown with pin/pusher
- Seconds Hand: Small seconds
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: None
- Jewels: 15
- Setting Lever Screw/Pin Position: Right
- Balance Position: Right (0 - 120°)
- Shock Protection: None
- Beats per hour: 18,000
- Balance Type: Monometallic screw balance
- Power Reserve: Unknown
- Production Period: Unknown, probably around 1933
- Identification: Balance cock marked ULTRA. Listed in a catalog of Geismar 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-4130785
- 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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