
The Junghans 684.80 watch movement, similar to the ETA 717 movement but with lower specifications, is equipped with an early Incabloc shock device. The differences between the Junghans 684.80 and the Zentra 295 movements are unclear. There are various samples of the Junghans 684.80 movement that exhibit both bridge layouts shown in the archived records. The Junghans 684.80 movement is a manual wind movement with sub-second functionality, and it was primarily used around the year 1935.
The Junghans 684.80 features the following functions:
| Ronda Reference # | Shock System | Buy |
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| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.120 x 320 x 10.5 mm | 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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| Part Description | Reference # | Alternate | Buy |
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