Think I cross-threaded my Seamaster crown )-:
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  1. #1
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    Think I cross-threaded my Seamaster crown )-:

    Man, I'm pissed at myself. Somehow recently the crown on my 2250.50 Seamaster has gotten much harder to turn when threading back into the watch after winding or setting. I think I cross-threaded it. Is this a $$ fix?

  2. #2
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    Re: Think I cross-threaded my Seamaster crown )-:

    Definitely won't be taking it in the shower until this is resolved.

  3. #3
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    Re: Think I cross-threaded my Seamaster crown )-:

    Typically when you cross thread something it will have additional resistance while you are inflicting the initial damage. If you don't recall this then it could just be some debris in the threads. If this is potentially the problem, try brushing the threads of the tube and using a blower to remove any material from inside the crown.

    You can probably tell if the threads on the crown tube are damaged by examining them under magnification while the crown in unscrewed and pulled out. If these look OK then the problem is likely with the threads in the crown itself. Applying some silicone grease to the threads could also help make it easier to screw back in and provide an extra measure of water resistance. Unfortunately, if the threads are crossed up the they would have to be re-tapped or the components replaced which would be $$.
    Ard and Gary123 like this.

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  5. #4
    Moderator Public Forum John MS's Avatar
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    Re: Think I cross-threaded my Seamaster crown )-:

    Unfortunately threaded crowns are an inevitable failure waiting for a time to happen. Fortunately crown tube repair is not all that expensive. However if your watch has not been serviced recently a good watch repair shop will strongly suggest that they both be done at the same time.
    Ard and aardvarkbark like this.

  6. #5
    Member falcon4311's Avatar
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    Re: Think I cross-threaded my Seamaster crown )-:




    This!
    Last edited by falcon4311; October 20th, 2015 at 01:21.





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    Member pithy's Avatar
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    Re: Think I cross-threaded my Seamaster crown )-:

    Baby needs a new pair of shoes!

  8. #7
    Member mpalmer's Avatar
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    Re: Think I cross-threaded my Seamaster crown )-:

    Annoying, but not the end of the world. Send it in for a service (hopefully this hasn't been done recently) and get this taken care of...
    "The stuff that dreams are made of…" - RGM ‘801 EE Motor Barrel’

  9. #8
    Member Uric's Avatar
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    Re: Think I cross-threaded my Seamaster crown )-:

    That seems really unfortunate! Maybe something just got in there and a little cleaning will fix it right up like others have suggested.
    Good luck!

  10. #9
    Member obomomomo's Avatar
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    Re: Think I cross-threaded my Seamaster crown )-:

    Try using some waxed tooth floss to help clean/lubricate the screw thread. Good luck!
    wsfarrell and Rusty427 like this.
    Bulova> 96B251. Casio> 5600E. Damasko> DS30. GrandSeiko> SBGH205. Rolex> 114060, 16710. Seiko> SARB017, SARB033, SBDX017, SLA017.

  11. #10
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    Re: Think I cross-threaded my Seamaster crown )-:

    Quote Originally Posted by John MS View Post
    Unfortunately threaded crowns are an inevitable failure waiting for a time to happen. Fortunately crown tube repair is not all that expensive. However if your watch has not been serviced recently a good watch repair shop will strongly suggest that they both be done at the same time.
    I think this is why JLC invented the compressor crown :)

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