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Forster 51
(Foresta)
Ligne: 13'''
Jewels: 21
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1955
Diameter: 29.33 mm
Height: 5.62 mm
Hands: 1.40 x 0.80 mm
The Forster 51 watch movement is a manual-wind alarm movement. It features a hammer on a spiral gong to produce the alarm sound. The volume of the alarm can be adjusted and is indicated in an aperture. Additionally, the movement includes a sweep second hand functionality. The Forster 51 movement was mainly used around 1955.
The Forster 51 features the following functions:
- Manual-wind alarm
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 4262 | Ordinary/None | Buy staff |
| 4262 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.110 x 320 x 10.0 mm | Manual | Buy mainspring | |
| 1.40 x 0.105 x 320 x 9.5 mm | GR3681 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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