Derby 33
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10 1/2”’ | Hand Wind | Swiss Lever | No Seconds |
Remarks:
- Slightly different setting lever spring than shown in the movement catalogs. The setting lever spring of this movement is probably not original, but was replaced during a repair
- Listing ID: 4077
- Manufacturer / Brand: Derby
- Caliber: 33
- Size in French Lignes: 10 1/2'''
- Size range mm largest diameter: 22 - 31 mm
- Shape: Round
- 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: Left
- Balance Position: Bottom (120 - 240°)
- Shock Protection: None
- Beats per hour: 18,000
- Balance Type: Monometallic screw balance
- Power Reserve: Unknown
- Production Period: Unknown
- Identification: Listed in the Flume K1 catalog in the 1947 part, in the "Official Catalogue of genuine Swiss Watch repair parts" from 1949 and in the Paulson from 1950.
- External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-16#post-2733855
- Country: Switzerland
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
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