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Felsa 4057
Ligne: 10.5'''
Jewels: 15
Power Reserve: 38 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1945
Diameter: 23.7 mm
Height: 4.0 mm
Hands: 1.30 x 0.60 / 0.21 mm
The Felsa 4057 watch movement, with its various bridge shapes, belongs to a group of movements numbered 190 through 209. However, differences between these movements are not disclosed. The Felsa 4057 movement features manual wind functionality and includes a sub second function. It was in use approximately around 1945.
The Felsa 4057 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.80 x 0.100 x 350 x 10.0 mm | Manual | Buy mainspring | |
| 1.80 x 0.100 x 320 x 9.0 mm | GR5254 | 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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