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Return To ShopThe Seiko 8420-7309 is a mechanical watch movement that incorporates a Pin Lever.
The Seiko 8420-7309 features the following functions:
Dimensions | GR Reference # | End Type | Buy |
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1.50 x 0.090 x 220 x 7.0 mm | GR4097 | 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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