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Alpina 446
(Alpina Straub)
Ligne: 18'''
Jewels: 17
Frequency: 18000 vph
Type: Manual Wind
Period used: 1928-
Diameter: 38.7 mm
Height: 4.6 mm
The Alpina 446 is a hunter calibre watch movement that was in use from 1928 onwards. It features a bimetallic screw balance with four adjustment screws and a Breguet hairspring. Additionally, it offers the functions of stem winding and setting, as well as a sub-second display. An optional cam disc regulator can also be incorporated into this movement.
The Alpina 446 features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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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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