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Seiko 1F20-0J80
Ligne: 17.75'''
The Seiko 1F20-0J80 watch movement features a reverse winding function.
The Seiko 1F20-0J80 features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 1809 | Ordinary/None | Buy staff |
| 3380 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.70 x 0.170 x 720 x 18.0 mm | GR5055 | 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) |
|---|
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