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Return To ShopThe Seiko 4S29A movement is equipped with a sweep seconds function, providing a smooth and continuous motion of the seconds hand. It incorporates 17 jewels, which serve as low-friction bearings to reduce wear and enhance accuracy.
The Seiko 4S29A features the following functions:
Dimensions | GR Reference # | End Type | Buy |
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1.30 x 0.130 x 340 x 11.0 mm | GR3339 | Manual | Buy mainspring |
1.20 x 0.115 x 340 x 10.0 mm | GR2963 | Manual | Buy mainspring |
1.20 x 0.100 x 320 x 9.0 mm | GR2921 | Manual | Buy mainspring |
Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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