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Return To ShopThe Seiko Y371-8040 is a mechanical watch movement that features the functions of sweep seconds and pin lever.
The Seiko Y371-8040 features the following functions:
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.110 x 340 x 10.0 mm | GR4516 | Manual | Buy mainspring |
| 1.60 x 0.110 x 320 x 9.5 mm | GR4515 | Manual | Buy mainspring |
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
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