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Felsa 75
Ligne: 10.5'''
Jewels: 15/17
Lift Angle: 52°
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1935
Diameter: 23.3 mm
Hands: 1.40 x 0.80 mm
The Felsa 75 is a mechanical watch movement featuring a bimetallic screw balance. It is part of a group of movements, including the 73, 75-80, 144, 166, 167, 203, 205, 216, 219, 240, 244, 255, 268, 284, 286, 287, and 326, that share similarities and differences which are not fully known. The Felsa 75 offers manual winding, sub seconds, and sweep seconds functions. It was commonly used around the year 1935.
The Felsa 75 features the following functions:
- Manual Winding
- Sub Second
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 983 | Ordinary/None | Buy staff |
| 997 | Incabloc | Buy staff |
| 3178 | Supershock | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.70 x 0.100 x 320 x 9.0 mm | GR4880 | Manual | Buy mainspring |
| 1.70 x 0.095 x 320 x 9.0 mm | GR4870 | Manual | Buy mainspring |
| 1.70 x 0.100 x 290 x 9.0 mm | 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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