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Seiko 7A28A
The Seiko 7A28A watch movement features sweep seconds functionality and operates automatically.
The Seiko 7A28A features the following functions:
- Automatic Winding
- Sweep Seconds
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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