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Seiko A557A
The Seiko A557A watch movement features an offset center wheel and is equipped with Incabloc shock protection.
The Seiko A557A features the following functions:
- Incabloc Shock Protection
- Offset Center Wheel
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.090 x 240 x 7.5 mm | GR2894 | Manual | Buy mainspring |
| 1.20 x 0.085 x 240 x 7.0 mm | GR2885 | 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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