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Alpina 720
(Alpina Straub)
Ligne: 8.75'''
Jewels: 15
Power Reserve: 34 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1925
Diameter: 19.7 mm
Height: 3.4 mm
Hands: 1.20 x 0.60 / 0.11 mm
Based on the available information, the Alpina 720 watch movement is a manual wind movement with a sub-second function. It is part of a series of movements that includes the 60-III, 61 through 64, 68, 72, 77, 81, 86, 93, 96, 102, 104, 107, 108, and 154. The Alpina 720 movement was commonly used around the year 1925. There are various bridge shapes associated with this movement series, although specific differences are not known.
The Alpina 720 features the following functions:
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.080 x 215 x 7.0 mm | Manual | Buy mainspring | |
| 1.40 x 0.085 x 220 x 7.0 mm | GR3613 | 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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