Hermann Becker HB 900-75
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6 3/4 x 8”’ | Hand Wind | Swiss Lever | No Seconds |
Remarks:
- The hour wheel is missing from the movement pictured
- Listing ID: 1240
- Manufacturer / Brand: Hermann Becker
- Caliber: HB 900-75
- Size in French Lignes: 6 3/4 x 8'''
- Size range mm largest diameter: 0 - 22 mm
- Shape: Form
- Winding: Manual (Crown)
- Hands Setting: Crown
- Seconds Hand: Sweeping seconds (central seconds)
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: None
- Jewels: 17
- Setting Lever Screw/Pin Position: Right
- Balance Position: Right (0 - 120°)
- Shock Protection: Antichoc-S65
- Beats per hour: 21,600
- Balance Type: Nickel
- Power Reserve: Unknown
- Production Period: Probably around 1975
- Identification: Movement marked HB900-75
- External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-48#post-6465237
- Country: Germany
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
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