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Seiko 8420-5970
The Seiko 8420-5970 watch movement features an adjustable stud holder for precise timekeeping. It is equipped with shock protection mechanisms to ensure durability and reliability. This movement operates automatically, requiring no manual winding, and integrates a sweep seconds function for continuous and smooth timekeeping.
The Seiko 8420-5970 features the following functions:
- Adjustable Stud Holder
- Automatic Winding
- Shock Protection
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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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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