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Seiko 1421-5710
The Seiko 1421-5710 watch movement is a hand-wound pocket watch movement with a total of 15-17 jewels. This movement features shock protection on the balance staff and is notably used in the PAM 21 model.
The Seiko 1421-5710 features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
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
| Part Description | Reference # | Alternate | Buy |
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