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Seiko H448-5020
The Seiko H448-5020 watch movement features both shock protection and no shock protection functionalities.
The Seiko H448-5020 features the following functions:
- No Shock Protection
- Shock Protection
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.115 x 240 x 9.0 mm | GR4522 | Manual | Buy mainspring |
| 1.30 x 0.110 x 300 x 9.0 mm | GR3283 | Manual | Buy mainspring |
| 1.25 x 0.100 x 360 x 9.5 mm | GR3113 | 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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