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Seiko 8420-5850
The Seiko 8420-5850 is a mechanical watch movement featuring stem winding functionality and designed specifically for ladies' timepieces.
The Seiko 8420-5850 features the following functions:
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
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