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Return To ShopThe Seiko 1421A watch movement incorporates shock protection to enhance its durability and reliability.
The Seiko 1421A features the following functions:
| Ronda Reference # | Shock System | Buy |
|---|
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.090 x 240 x 7.5 mm | GR3218 | Manual | Buy mainspring |
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
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