Movement longevity

Thread: Movement longevity

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  1. #1
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    Movement longevity

    EDIT: What kind of longevity do you think we should expect out of the various watch movements for continuous use without service ? (mechanical, solar powered, motion powered quartz, spring drive, etc)

    My grandfather was wearing a Seiko 5 for 15 years constantly ... never taking off his wrist ...

    Do you have any similar anecdotal experiences to share about this ?
    Last edited by ThomasAn; April 25th, 2012 at 12:57.

  2. #2
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    Re: Movement longevity

    More to add to the list of, never buy a used car from.

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    Re: Movement longevity

    Quote Originally Posted by Watchbreath View Post
    More to add to the list of, never buy a used car from.
    ??? I miss the point.

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    Re: Movement longevity

    It's been kicked around recently:
    https://forums.watchuseek.com/f2/how-...ce-677878.html

    (the search function is your friend...)

    ~Sherry.
    PM is not working for me. If you need to contact me, please email. Thanks! popokinui1(at)gmail(dot)com






  6. #5
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    Re: Movement longevity

    Quote Originally Posted by Popoki Nui View Post
    It's been kicked around recently:
    https://forums.watchuseek.com/f2/how-...ce-677878.html

    ~Sherry.
    Cool beans. Thank you !

  7. #6
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    Re: Movement longevity

    Quote Originally Posted by Watchbreath View Post
    More to add to the list of, never buy a used car from.
    Quote Originally Posted by ThomasAn View Post
    ??? I miss the point.
    ... someone who never services their car ( or their watch). Mechanical watches require regular (though generally not frequent) maintenance to remain in good condition.
    Over a half century of "just the right amount of odd."


  8. #7
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    Re: Movement longevity

    Quote Originally Posted by dbakiva View Post
    ... someone who never services their car ( or their watch). Mechanical watches require regular (though generally not frequent) maintenance to remain in good condition.
    Sure with maintenance anything can survive indefinitely, but it is not the essence of my question.

    If we were to do a deliberate stress test as an engineering curiosity to evaluate the maintenance free longevity of all current designs, whether mechanical or electromechanical which design type would outlast others ?

    For instance we know that any technology that depends on capacitors or button cells has a limited lifespan due to chemical degradation of those components over time.
    If a pharao were to store a mechanical watch and a solar powered quartz in his tomp inside a pyramid, then five thousand years later we could shake the mechanical and it will come back to life, but the solar quartz would not, since all the chemicals in its capacitors and battery would have degraded due to slow idle chemical reactions that occur in them regardless.

    So we can say a mechanical automatic has an indefinite inactive storage longevity, but finite active lifespan. Whereas a motion quartz or a solar quartz have finite longevity both in storage and in service.

    What about other technologies like spring drive ? Would it outlast others in a stress test without maintenance ?
    Last edited by ThomasAn; April 25th, 2012 at 16:02.

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