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Felsa 4057
Ligne: 13'''
Jewels: 17
Lift Angle: 49°
Power Reserve: 48 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1938-1974
Diameter: 30 mm
Height: 6.95 mm
Hands: 1.60 x 1.10 x 0.25 / 0.28 x 0.25 x 0.23 mm
Base: Valjoux 72
The Felsa 4057 is a manual-wind chronograph movement with a Breguet hairspring. It has a sub-second function, a chronograph with 60-second, 30-minute, and 12-hour counters, and features shock protection. This movement was used in watches produced between 1938 to 1974.
The Felsa 4057 features the following functions:
- Manual-wind chronograph, 60s, 30min, 12h, pillar wheel
- Shock Protection
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.140 x 380 x 12.0 mm | GR3358 | 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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