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Alpina 420
(Alpina Straub)
Ligne: 12'''
Jewels: 15/17
Power Reserve: 43 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1960
Diameter: 27 mm
Height: 3.5 mm
Hands: 1.50 x 0.80 / 0.21 mm
The Alpina 420 watch movement, commonly marked as the 1120 on the dial side, shares similarities and possible commonalities with other movements such as the 1122, 1124, 1126, 1128, 1130, 1132, 1138, and 1288. However, the specific differences between these movements are not known. The Alpina 420 is a manual wind movement featuring a sub-second function and was commonly utilized around the 1960s.
The Alpina 420 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.130 x 320 x 10.5 mm | GR4196 | Manual | Buy mainspring |
| 1.50 x 0.130 x 300 x 10.5 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
| Part Description | Reference # | Alternate | Buy |
|---|
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