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Seiko 1F21-5B50
The Seiko 1F21-5B50 watch movement features a Pin Lever mechanism.
The Seiko 1F21-5B50 features the following functions:
- Pin lever
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.130 x 500 x 13.0 mm | GR2998 | 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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