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Seiko 1920A
The Seiko 1920A watch movement is capable of performing the function of sweep seconds.
The Seiko 1920A features the following functions:
- Sweep Seconds
Balance Staff Listing
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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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