How Long Will Illumination Last?

Thread: How Long Will Illumination Last?

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  1. #1
    Member powerband's Avatar
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    How Long Will Illumination Last?

    Battery or charge not withstanding, how long will the illumination on a modern 5600 last? I leave the auto EL on, so the watch illuminates often with a certain wrist angle, even when I don't need to read the time. When can I expect the LED (or whatever lightbulb the G-shock uses) to burn out, and will this mean no more illumination indefinitely?

    Thanks,
    Ticking Away the Moments that Make Up a Dull Day

  2. #2
    Member SquishyPanda's Avatar
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    Re: How Long Will Illumination Last?

    From what I understand, LED's effectively *never* burn out. Especially not at very low voltages.

    I don't know what people did about burnt-out bulbs in very oldschool digitals that had actual light bulbs inside them. Maybe those were replaceable.


  3. #3
    Member halfapie's Avatar
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    Re: How Long Will Illumination Last?

    Watch backlights, like those on G-Shocks, are actually not LEDs.

    http://en.wikipedia.org/wiki/Electroluminescence

    They will easily last your lifetime, but will gradually degrade at high temperatures.
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  5. #4
    Member JERSTERCA's Avatar
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    Re: How Long Will Illumination Last?

    You are going to go through lots of batteries with the auto el on. The el should last a long time I have yet to read about someone wearing it out


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  6. #5
    Member powerband's Avatar
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    Re: How Long Will Illumination Last?

    Quote Originally Posted by halfapie View Post
    Watch backlights, like those on G-Shocks, are actually not LEDs.

    http://en.wikipedia.org/wiki/Electroluminescence

    They will easily last your lifetime, but will gradually degrade at high temperatures.

    Thanks, Half pie. Curiously, the G-Shock manual says the light mechanism will last for a while, leading me to think there is a finite duration within my life time, like within a decade or so. Good to hear it will last for the rest of my life; hopefully even with the auto EL on every night.

    Other thoughts?
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  7. #6
    Member Joakim Agren's Avatar
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    Re: How Long Will Illumination Last?

    You are unlikely to "outburn" a EL panel on a watch. However the generator power it will die sooner. So we have seen some instances of failing El's as the result of broken generators. So EL will not last forever!
    The Water Resistance Myth VS Reality article:https://forums.watchuseek.com/showthread.php?t=159142


  8. #7
    Member powerband's Avatar
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    Re: How Long Will Illumination Last?

    Quote Originally Posted by Joakim Agren View Post
    You are unlikely to "outburn" a EL panel on a watch. However the generator power it will die sooner. So we have seen some instances of failing El's as the result of broken generators. So EL will not last forever!
    Can a broken generator be replaced easily and inexpensively?
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  9. #8
    Member Joakim Agren's Avatar
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    Re: How Long Will Illumination Last?

    Quote Originally Posted by powerband View Post
    Can a broken generator be replaced easily and inexpensively?
    No they can't as far as I am aware of it, you have to change the entire module if that happens!
    The Water Resistance Myth VS Reality article:https://forums.watchuseek.com/showthread.php?t=159142


  10. #9
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    Re: How Long Will Illumination Last?

    Quote Originally Posted by Joakim Agren View Post
    No they can't as far as I am aware of it, you have to change the entire module if that happens!
    Sucks.
    So assuming there's no defect with the generator in this model and all else being normal, how long can I *estimate* the generator to last if I use the auto EL every night? Ten years? Twenty? 6 months?

    :thanks !!
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  11. #10
    Member halfapie's Avatar
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    Re: How Long Will Illumination Last?

    Quote Originally Posted by powerband View Post
    Sucks.
    So assuming there's no defect with the generator in this model and all else being normal, how long can I *estimate* the generator to last if I use the auto EL every night? Ten years? Twenty? 6 months?

    :thanks !!
    When you say you use it "every night" do you mean you will HOLD DOWN the light button for hours at a time?

    At any rate, I can't imagine ANY internal component of a G-Shock failing in less than 10 years without the aid of a hammer. (except battery of course)
    My Rotation:
    Hamilton Khaki (2804), Khaki (2824) x3, Linwood (2824), Khaki (7750), Vintage (7750), Vintage Khaki King (2824)
    Fortis Flieger (2824)
    Seiko SCVS015 (6R15), SARB031 (6R15), SKX013 (7S26), SSB003 (6T63), 5M22-6C20, 5M22-6C30
    Tissot Carson (2824), T-Touch Titanium
    Many Self-assembled pieces
    about 100 Casio watches from the 70~90's.

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