Movement oscillates due to balance wheel?

Thread: Movement oscillates due to balance wheel?

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  1. #1
    Member toxbunny's Avatar
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    Movement oscillates due to balance wheel?

    I had to fix the hands on a cheap Chinese automatic skeleton movement and when I placed the movement on the table it began to oscillate. It balances on the winding weight and it shakes. I think it is due to the balance wheel oscillations.



    I cannot find any information on this, is it common?
    Last edited by toxbunny; January 9th, 2013 at 20:01.

  2. #2
    WnS
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    Re: Movement oscillates due to balance wheel?

    Why is it a concern? Does the entire movement shake when fixed inside the watch?
    I'm content with my watch collection

  3. #3
    Member nikidasi's Avatar
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    Re: Movement oscillates due to balance wheel?

    Interesting. Never seen one like that. Is that a low beat with hi-inertia balance wheel?
    Regards,
    Indera

    "All you have to decide is what to do with the time that is given to you." -Gandalf

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  5. #4
    Moderator Public Forum John MS's Avatar
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    Re: Movement oscillates due to balance wheel?

    The video won't load. If it is balanced on the center of the rotor I would expect it would teeter a bit. Does the movement run as accurately as before? If so I would not worry about it.

  6. #5
    Vintage & NAWCC Forum moderator Ben_hutcherson's Avatar
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    Re: Movement oscillates due to balance wheel?

    Nothing to be concerned about, and perfectly normal.

    In fact, a pocket watch hanging from a hook, or one with a smooth case back laying on a smooth table, can be seen to "wiggle" a little bit.

    It's also worth noting that this will affect the accuracy(I can never remember if it will cause the watch to speed up or slow down) by a couple of seconds a day when allowed to "wiggle."
    Member National Association of Watch and Clock Collectors
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  7. #6
    Member toxbunny's Avatar
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    Re: Movement oscillates due to balance wheel?

    to WnS: I was just curious, I worked on 5-6 movements and this is the first one that does this. Inside the watch it doesn't shake.

    to nikadasi: I don't know the caliber, it is from a 20$ Chinese watch.

    to Ben_hutcherson: I didn't know pocket watches "wiggle". I tried now with a chronograph but did not work (I guess the frequency is too high).

    Last edited by toxbunny; January 9th, 2013 at 18:30.

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