The Seiko 2A22-5240 watch movement is equipped with a pin lever escapement system, a design specifically intended for clocks. The movement is powered by winding it with a key.
The Seiko 2A22-5240 features the following functions:
| Dimensions | GR Reference # | End Type | Buy |
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| 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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