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Return To ShopThe Gruen ETA 2550R watch movement has a beat rate of 21600 vph.
The Gruen ETA 2550R features the following functions:
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.070 x 220 x 6.0 mm | GR4427 | 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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