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Seiko 25603
The Seiko 25603 features the following functions:
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.110 x 300 x 9.0 mm | GR3698 | Manual | Buy mainspring |
| 1.30 x 0.110 x 280 x 8.5 mm | GR3281 | 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 |
|---|---|---|---|
| BALANCE COMPLETE | 721/GRU 315 | 721/GRU 315 | Buy part |
| MAINSPRING 1.40-.11-300 9 | MS-510K | GR 3698 | Buy part |
| SET BRIDGE | 445/GRU 315 | Buy part | |
| STAFF | 100/386 | Buy part | |
| STEM | 200/400F | Buy part |
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