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Seiko Y643-027B
The Seiko Y643-027B watch movement is a mechanical movement that operates based on the use of physical components rather than electronic mechanisms. It is designed to power the basic functions of the timepiece, including timekeeping, hours, minutes, and seconds.
The Seiko Y643-027B features the following functions:
- Mechanical Movement
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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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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