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Seiko 7820-7040
The Seiko 7820-7040 watch movement features a stop watch function. Additionally, it has a split second function, allowing for accurate timing and measurement of multiple events simultaneously.
The Seiko 7820-7040 features the following functions:
- Split second function
- Stop Watch
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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Parts Listing
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