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Alpina 431
(Alpina Straub)
Ligne: 8.75'''
Jewels: 15/17
Power Reserve: 50 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1945
Diameter: 19.7 mm
Height: 3.6 mm
Hands: 1.20 x 0.60 / 0.18 mm
The Alpina 431 is a manual wind watch movement featuring a sub second function. It was commonly used around the year 1945. Further details regarding the differences between the Alpina 431 and other similar watch movements, such as the 125, 129, 131, 135-139, 145, and 147, are currently unknown.
The Alpina 431 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.080 x 250 x 7.5 mm | Manual | Buy mainspring | |
| 1.50 x 0.080 x 280 x 7.5 mm | GR4078 | 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
| Part Description | Reference # | Alternate | Buy |
|---|
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