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Felsa 4020
Ligne: 19'''
Jewels: 15
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1919
Diameter: 42.8 mm
Height: 4.3 mm
Hands: 1.85 x 1.22 / 0.30 mm
The Felsa 4020 is an open face calibre watch movement with a bimetallic screw balance featuring four adjustment screws and a Breguet hairspring. It offers functions such as stem winding and setting, as well as a sub-second display. The movement was produced around 1919.
The Felsa 4020 features the following functions:
- Stem wind and set
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.175 x 580 x 16.5 mm | GR4666 | 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
| Part Description | Reference # | Alternate | Buy |
|---|
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