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Felsa 780
Ligne: 10.5'''
Jewels: 17/21
Power Reserve: 37 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1955-1963
Diameter: 23.75 mm
Height: 4.5 mm
Hands: 1.60 x 0.95 x 0.21 mm
The Felsa 780 is a manual wind mechanical watch movement with a sweep second function. It was first introduced in 1955 and utilized Protax shock devices in the initial samples. The movement was in use until 1963.
The Felsa 780 features the following functions:
- Manual Winding
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 4158 | Durobloc | Buy staff |
| 4158 | Monorex | Buy staff |
| 4158 | Rufarex | Buy staff |
| 4158 | Shockproof | Buy staff |
| 4121 | Unishock | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.090 x 315 x 9.0 mm | Manual | Buy mainspring | |
| 1.40 x 0.100 x 300 x 9.0 mm | GR3664 | 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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