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Felsa 4120
Ligne: 9.75'''
Jewels: 15
Power Reserve: 47 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1940
Diameter: 21.7 mm
Height: 3.65 mm
Hands: 1.30 x 0.70 / 0.22 mm
The Felsa 4120 is a mechanical watch movement that was in use around the 1940s. It is a manual wind movement with a sub-second function. Detailed differences between the 845 and 905 variations of the movement are not known.
The Felsa 4120 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.55 x 0.100 x 290 x 9.0 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) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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