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Seiko V231-521A
The Seiko V231-521A watch movement features sweep seconds, automatic winding, and KIF shock protection.
The Seiko V231-521A features the following functions:
- Automatic Winding
- KIF Shock Protection
- Sweep Seconds
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.105 x 320 x 10.0 mm | GR2936X | Auto | Buy mainspring |
| 1.20 x 0.096 x 370 x 9.5 mm | Auto | Buy mainspring | |
| 1.20 x 0.100 x 300 x 9.0 mm | GR2920X | Auto | 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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