Balance jewel Hamilton 974

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  • #49527
    mclark3617
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    • Topics Started: 28
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    Well I got this watch tore apart all cleaned up and put back together and it worked. WOO HOO!
    Then I noticed it would stop when I flipped it over and seemed loose, but the pivots were fine.
    then I noticed a lot of slop in the bottom hole as it was running,, took a closer look and noticed it was a cracked jewel
    I got it out and all ok but im having a hard time finding a replacement. were do you guys shop for your new jewels.
    this one is about 2.43mm od with about a 2mm dia shoulder. the pivot dia is about .64mm

    #62320
    mclark3617
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    • Topics Started: 28
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    I found some on Ebay but its giving me a number pivot hole size.. like 11 or 12, is there a conversion for that

    #62321
    chris mabbott
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    • Topics Started: 119
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    The numbers are the size of your pivot… 0.011mm or 0.012mm

    You have to mic your staff pivot to see what you have there big fella 8-)

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mclark3617Balance jewel Hamilton 974