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Seiko 8420-7459
The Seiko 8420-7459 features the following functions:
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.115 x 420 x 11.0 mm | GR3300 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| JEWEL, LOWER BALANCE CAP | 330/274 | 346/DUR 1032 | Buy part |
| JEWEL, LOWER BALANCE CAP | 330/278 | /DUR 635 | Buy part |
| JEWEL, UPPER ESCAPE CAP | 336/90 | Buy part | |
| SET BRIDGE | 445/1108 | 445/DUR 632 | Buy part |
| STAFF, REG/SHOCK F | 100/2330 | Buy part |
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