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Seiko Y131-5220
The Seiko Y131-5220 watch movement showcases an adjustable stud holder mechanism that allows for precise adjustment of the balance wheel's beat rate. With a beat rate of 21,600 vibrations per hour (vph), this movement ensures accurate timekeeping.
The Seiko Y131-5220 features the following functions:
- Adjustable Stud Holder
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.085 x 280 x 8.0 mm | GR4456 | Manual | Buy mainspring |
| 1.60 x 0.090 x 260 x 8.0 mm | GR4463 | 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) | |
|---|---|---|---|
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Documents
Parts Listing
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