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Alpina 634
(Alpina Straub)
Ligne: 18.5'''
Jewels: 15
Power Reserve: 35 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1925
Diameter: 41.8 mm
Height: 5.35 mm
Hands: 2.00 x 1.20 / 0.30 mm
The Alpina 634 is an open face calibre watch movement that was used around the year 1925. It shares similarities with other Felsa movements, such as the 181, 283, 289, and 449, although the specific differences between these movements are not known. The Alpina 634 movement features stem winding and setting, as well as a sub-second function.
The Alpina 634 features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 994 | Ordinary/None | Buy staff |
| 992 | Ordinary/None | Buy staff |
| 3183 | Supershock | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.10 x 0.180 x 500 x 15.0 mm | GR6061 | Manual | Buy mainspring |
| 2.10 x 0.180 x 450 x 15.0 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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