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Seiko A258-5020
The Seiko A258-5020 watch movement includes the function of sweep seconds.
The Seiko A258-5020 features the following functions:
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 143 | Ordinary/None | Buy staff |
| 4109 | Ordinary/None | Buy staff |
| 3909 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.080 x 260 x 7.5 mm | GR3608 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
Documents
Parts Listing
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