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Seiko 2B31A
The Seiko 2B31A watch movement features Incabloc Shock Protection, ensuring enhanced resistance to mechanical shocks. Additionally, it includes a Sweep Seconds function, providing accurate and continuous movement of the seconds hand.
The Seiko 2B31A features the following functions:
- Incabloc Shock Protection
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.060 x 220 x 6.0 mm | GR3173 | 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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