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Seiko 7431-5051
Ligne: 11.5'''
The Seiko 7431-5051 is a mechanical watch movement that incorporates the function of sweep seconds.
The Seiko 7431-5051 features the following functions:
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 3516 | Ordinary/None | Buy staff |
| 827 | Ordinary/None | Buy staff |
| 886 | Incabloc | Buy staff |
| 3234 | Supershock | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.55 x 0.105 x 280 x 9.0 mm | GR4390 | Manual | Buy mainspring |
| 1.50 x 0.110 x 300 x 9.0 mm | GR4149 | 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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