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Felsa 303
Ligne: 10.5'''
Jewels: 17
Power Reserve: 37 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1955
Diameter: 23.65 mm
Height: 3.9 mm
Hands: 1.40 x 0.90 x 0.20 mm
The Felsa 303 watch movement, produced around 1955, features manual winding and a sweep second function. It incorporates an intermediate wheel between the center minute pinion B and the eccentric minute wheel C, resulting in a reduced height as only the center-second wheel overlaps the barrel. Additionally, it includes an offset center wheel and a sweep seconds function.
The Felsa 303 features the following functions:
- Manual Winding
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 3462 | Ordinary/None | Buy staff |
| 3462 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.110 x 260 x 8.0 mm | GR4147 | 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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