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Felsa 4020
Ligne: 10.5'''
Jewels: 15
Power Reserve: 35 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1945
Diameter: 23.6 mm
Height: 4.0 mm
Hands: 1.25 x 0.63 / 0.20 mm
Base: Election MARVIN 540
The Felsa 4020 watch movement is a manual wind movement with a sub second function. It was widely used during the period approximately around 1945.
The Felsa 4020 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.80 x 0.090 x 360 x 9.0 mm | GR5235 | Manual | Buy mainspring |
| 1.80 x 0.090 x 250 x 8.0 mm | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
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