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Return To ShopThe Seiko Y100-5900 watch movement features a sweep seconds function, allowing the continuous movement of the seconds hand. It utilizes a pin lever mechanism, which is a type of escapement that controls the release of energy from the mainspring to regulate timekeeping.
The Seiko Y100-5900 features the following functions:
Dimensions | GR Reference # | End Type | Buy |
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1.30 x 0.090 x 240 x 7.5 mm | GR3218 | 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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