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- Mechanical chronometer with needle
- Count down
- Forward-backward counter with key case
- Chronometer timer
| Forward-backward counter with key case -19 hours and 59 minutes. -function of counter: -negative counter function -alarm function -clock function. |
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| Forward-backward counter with key case -19 hours and 59 minutes. -function of counter: -negative counter function -alarm function -clock function. |
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