Felsa 52 I
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5 3/4”’ x 8 3/4”’ | Hand Wind | Swiss Lever | No Seconds |
Remarks:
- The Flume K1 catalog lists three variants (I, II, III) of the caliber 52, which differ in their lever springs
- In both movements of this caliber that I have, the setting lever spring is defective. This therefore appears to be vulnerable
- Listing ID: 5126
- Manufacturer / Brand: Felsa
- Caliber: 52 I
- Size in French Lignes: 5 3/4''' x 8 3/4''' (according to the manufacturer: 5 1/4''')
- 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: Bimetallic screw balance
- Power Reserve: Unknown
- Production Period: Unknown, probably around 1928
- Identification: Listed in the Ebauches SA catalog from 1928.
- External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/#post-1119453
- Country: Switzerland
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
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