Kurth Frères KF 230 = Grana 230 = Alpina 832
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5 1/4 x 8 1/2”’ | Hand Wind | Swiss Lever | No Seconds |
Remarks:
- Grana was a KF brand. It later became Certina
- Listing ID: 4768
- Manufacturer / Brand: Kurth Frères KF / Grana / Alpina
- Caliber: Kurth Frères KF 230 = Grana 230 = Alpina 832
- Size in French Lignes: 5 1/4 x 8 1/2'''
- Size range mm largest diameter: 0 - 22 mm
- Shape: Form
- 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: 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 1939
- Identification: Marked on wheel train bridge with Alpina logo and 832. Listed in the Flume K1 catalog. Listed in the Classification Horlogère from 1939.
- External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-6#post-1682052
- Country: Switzerland
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
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