Ultra 603 "Superautomatic"
138 views
13 1/2”’ | Automatic | Swiss Lever | Small Seconds |
Remarks:
- First French automatic movement
- The base movement is the Ultra 602, the automatic module is attached and enlarges the base movement from 10 1/2”’ to 13 1/2”’
- The bidirectional automatic winding system is based on the same principle as the well-known Magic Lever winding system from Seiko, a variant of the IWC Pellaton winding system. However, Seiko’s Magic Lever was not launched on the market until 1959!
- Listing ID: 2625
- Manufacturer / Brand: Ultra
- Caliber: 603 "Superautomatic"
- Size in French Lignes: 13 1/2'''
- Size range mm largest diameter: 22 - 31 mm
- Shape: Round
- Winding: Automatic
- Hands Setting: Crown
- Seconds Hand: Small seconds
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: None
- Jewels: 19
- Setting Lever Screw/Pin Position: Left
- Balance Position: Bottom (120 - 240°)
- Shock Protection: Incabloc
- Beats per hour: 18,000
- Balance Type: Monometallic screw balance
- Power Reserve: Unknown
- Production Period: Around 1950
- Identification: Illustrated in repair documents from Ultra
- External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-32#post-4137344
- 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)
Before being published, your comment will be checked by a moderator. Therefore you will not see it immediately!