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Seiko 8420-7300
The Seiko 8420-7300 features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 529 | Ordinary/None | Buy staff |
| 1029 | Ordinary/None | Buy staff |
| 1030 | Ordinary/None | Buy staff |
| 2193 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.095 x 300 x 8.5 mm | GR4476 | Manual | Buy mainspring |
| 1.40 x 0.100 x 320 x 9.0 mm | GR3665 | 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
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