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Felsa 251
Ligne: 8.75'''
Jewels: 15
Power Reserve: 38 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1934
Diameter: 19.4 mm
Height: 3.1 mm
Hands: 1.20 x 0.65 / 0.15 mm
The Felsa 251 watch movement is similar to the 601 movement but is slightly thinner. It features a bimetallic screw balance. The differences between the 599 and 603 movements are not specified. This movement was manually wound and included a sub-second function. It was commonly used around the year 1934.
The Felsa 251 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.080 x 240 x 7.0 mm | GR3607 | Manual | Buy mainspring |
| 1.20 x 0.090 x 220 x 7.0 mm | GR2893 | Manual | Buy mainspring |
| 1.15 x 0.090 x 220 x 7.5 mm | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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