Watch Database
Forster 620
(Foresta)
Jewels: 15
Frequency: 18000 vph
Type: Manual Wind
Period used: 1909-1916
Diameter: 29.63 mm
The Forster 620 watch movement, manufactured between 1909 and 1916, consists of approximately 30,000 units. It features a hunter calibre design, specifically model 2. The movement incorporates a bimetallic screw balance and utilizes a Breguet hairspring. Additionally, it includes a negative stem mechanism, allowing for stem winding and setting. The movement also includes a sub-second function.
The Forster 620 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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