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Return To ShopThe Seiko M159A watch movement features an Adjustable Stud Holder, allowing for precise adjustment of the balance wheel's hairspring. It is also equipped with Incabloc Shock Protection, which protects the delicate components of the movement from damage caused by external impacts.
The Seiko M159A features the following functions:
| Ronda Reference # | Shock System | Buy |
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| Dimensions | GR Reference # | End Type | Buy |
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| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
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| See More |
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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| Part Description | Reference # | Alternate | Buy |
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