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Watch Database
Forster 300
(Foresta)
Ligne: 8.75'''
Jewels: 15
Power Reserve: 33 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1925
Diameter: 19.7 mm
Height: 3.3 mm
Hands: 1.20 x 0.65 mm
The Forster 300 watch movement, used around 1925, features a bimetallic screw balance and lacks a setting-lever spring, although the presence of this spring may vary among AS calibres. Variations between the 612, 632, 664, 669, and 687 models are not specified. This manual wind movement incorporates a sub second function.
The Forster 300 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.15 x 0.090 x 220 x 7.5 mm | Manual | Buy mainspring | |
| 1.15 x 0.090 x 220 x 7.0 mm | GR2795 | Manual | Buy mainspring |
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