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Return To ShopThe Seiko F231A watch movement features an Adjustable Stud Holder function, allowing for precise regulation. Its beat rate operates at 21600 vph.
The Seiko F231A features the following functions:
| Ronda Reference # | Shock System | Buy |
|---|
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.080 x 240 x 7.0 mm | GR4445 | Manual | Buy mainspring |
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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