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The Gruen 510 watch movement, produced around 1945, is a manual wind movement with a sub-second function. It is part of a series of movements numbered from 210 through 220, with models 222, 224, 226, and 227 included as well. The specific differences between these movements are not known. The Gruen 510 movement features various bridge shapes, exhibiting technical diversity within its design.
The Gruen 510 features the following functions:
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.80 x 0.100 x 350 x 10.0 mm | Manual | Buy mainspring | |
| 1.80 x 0.100 x 320 x 9.0 mm | GR5254 | 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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| Part Description | Reference # | Alternate | Buy |
|---|
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