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Seiko 8Y21A
The Seiko 8Y21A watch movement is equipped with shock protection to minimize potential damage caused by external impacts.
The Seiko 8Y21A features the following functions:
- Shock Protection
Mainspring Listing
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
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