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Alpina 1722
(Alpina Straub)
Ligne: 16.5'''
Jewels: 15
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1940
Diameter: 37.2 mm
Height: 4.9 mm
Hands: 2.00 x 1.15 / 0.27 mm
The Alpina 1722 is an open face calibre movement with varying bridge shapes. It is likely equipped with a left-handed ratchet-wheel screw. While the specific differences between the 283, 291, 297, 309, 329, 333, 337, and 499 are not known, it is a mechanical watch movement with the following functions: stem wind and set, sub second. This movement was used around the period of 1940.
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.90 x 0.170 x 460 x 15.0 mm | Manual | Buy mainspring | |
| 1.90 x 0.170 x 460 x 14.0 mm | GR5608 | Manual | Buy mainspring |
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