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Seiko Y131-5850
The Seiko Y131-5850 is an automatic watch movement that features a day and date display, along with a sweep seconds hand. It has a calendar function and operates at a beat rate of 21000 vph.
The Seiko Y131-5850 features the following functions:
- Automatic Winding
- Calendar
- Day and Date Display
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.15 x 0.081 x 360 x 7.5 mm | GR2786X | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
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