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Seiko 5931-5520
The Seiko 5931-5520 watch movement features an adjustable stud holder, providing enhanced precision in regulating timekeeping. It is equipped with shock protection mechanisms, ensuring durability and resistance against external impacts. Additionally, the movement incorporates a sweep seconds hand, allowing for continuous and smooth tracking of seconds.
The Seiko 5931-5520 features the following functions:
- Adjustable Stud Holder
- Shock Protection
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.080 x 300 x 7.5 mm | GR3205 | 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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