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Thread: Tag F1 CAH111 1/10th not behaving

  1. #1
    Craftsman eletos's Avatar
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    Tag F1 CAH111 1/10th not behaving

    Sons watch is bothering him because the 1/10th dial is seemingly not working

    We have changed the battery, reset the watch and hands, but still it’s not turning round once a second when the chrono is running.

    Start/stop the chrono and it skips to a random position and stops until you start/stop again.

    Not sure if the video link will work:

    https://drive.google.com/file/d/118v...w?usp=drivesdk

    Not a massive issue, but somewhat of a puzzle, any ideas?


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  2. #2
    Grand Master SimonK's Avatar
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    Are you sure it's supposed to whizz round? I don't think it is stopping at a random position, it is stopping at the number of tenths of a second elapsed when the chronograph is stopped.

  3. #3
    I’m sure I had a watch with a version of the movement that did this- could be wrong but I think it only shows the fraction when stopped in order to conserve battery life. Did it ever whiz around?

  4. #4
    Craftsman eletos's Avatar
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    Well that would be embarrassing if it behaving as expected!

    Just had a play with it and stop/starting in quick succession does appear to just tick over a few tenths.

    Been looking at other Tag chronos and they do spin round on the 1/10th, I guess this movement doesn’t!


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  5. #5
    Master
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    Quote Originally Posted by SimonK View Post
    Are you sure it's supposed to whizz round? I don't think it is stopping at a random position, it is stopping at the number of tenths of a second elapsed when the chronograph is stopped.
    This. I have one and just checked it - 1/10th hand doesn't move until stopped.

  6. #6
    It seems that Tag have used both ETA G10 based movements and Ronda 5040 based movements- the 5040 will spin the 1/10 hand for 30 seconds then stop to conserve battery, the G10 only displays 1/10 when stopped. Mystery solved I think!

  7. #7
    Craftsman eletos's Avatar
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    Thanks guys. Mystery indeed solved!


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