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Alpina 657
(Alpina Straub)
Ligne: 10.5'''
Jewels: 15/17
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1940
Diameter: 23.3 mm
Height: 3.8 mm
Hands: 1.30 x 0.80 / 0.20 mm
The Alpina 657 is a mechanical watch movement that was primarily used around 1940. It features manual winding and a sub-second function. Although there are differences in bridge shapes, no other significant variations are known between the 1231 and other similar movements such as the 984, 1009, 1010, 1013, 1028, 1033, 1035, 1038, 1048, 1050, 1055, 1077, 1084, 1089, 1091, 1141, 1211, 1218, 1259, 1277, 1285, 1313, 1377, 1440, and 1614.
The Alpina 657 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.70 x 0.100 x 300 x 9.0 mm | GR4879 | 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) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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