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General 820
(Helvetia)
Ligne: 6.75 x 13'''
Jewels: 15
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1935
Size: 15.23 x 29.33 mm
Hands: 1.20 x 0.60 mm
The General 820 watch movement is a manual wind movement featuring a sub second function and the option for a digital display with second, minute, and jumping hour indications. This movement was commonly used in timepieces manufactured around the year 1935.
The General 820 features the following functions:
- Manual Winding
- Option digital display: second, minute, jumping hour
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 304 | Ordinary/None | Buy staff |
| 3171 | Supershock | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.100 x 290 x 10.0 mm | Manual | Buy mainspring | |
| 1.30 x 0.105 x 300 x 9.0 mm | GR3268 | Manual | Buy mainspring |
| 1.30 x 0.100 x 300 x 9.0 mm | GR3254 | 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
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