Tritium TUbes

Thread: Tritium TUbes

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  1. #1
    Rxq
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    Tritium TUbes

    Dont these things slowly die out in a few years?

    What happens when the tubes in a watch no longer glow? Does ball replace them?

  2. #2
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    Re: Tritium TUbes

    I think they are supposed to last 25 years or so ....

    You would have to get them replaced after that (if you still have the watch)
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    Re: Tritium TUbes

    Follow the link to Ball Watch USA website on technology. Your question is answered in detail:

    http://www.ballwatchusa.com/technolo...technology.htm

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    Re: Tritium TUbes

    Quote Originally Posted by rus_ellis View Post
    I think they are supposed to last 25 years or so ....

    You would have to get them replaced after that (if you still have the watch)
    Well, the half-life of tritium is around 12.5 years or so, so the radioactive decay will be complete at 25 years. In theory, the lume from the tubes will be at about one-half of the original intensity by around 12.5 years. This is only theoretical, because Ball doesn't have watches with H3 tubes dating back that far as of yet. If the theory proves to be accurate, I'm certainly going to want to replace mine long before 25 years.

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  6. #5
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    Re: Tritium TUbes

    Quote Originally Posted by Timewaster View Post
    Well, the half-life of tritium is around 12.5 years or so, so the radioactive decay will be complete at 25 years. In theory, the lume from the tubes will be at about one-half of the original intensity by around 12.5 years. This is only theoretical, because Ball doesn't have watches with H3 tubes dating back that far as of yet. If the theory proves to be accurate, I'm certainly going to want to replace mine long before 25 years.

    Regards,
    -Jeff
    At 25 yrs wouldn't 1/4 of the lume remain??
    If the half life is 12.5 yrs, then at 12.5 yrs. 1/2 would remain. Then at another 12.5 yrs., 1/2 of the 1/2 would be present (i.e. 1/4) at 25 yrs.
    In theory the lume should last longer than 25 yrs, assuming all else being constant.
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    Re: Tritium TUbes

    we should be able to tell how tritium tube will behave in the long run by looking at the old Marathon or S&Y watches.

    my question is: would tritium tubes be in production in 25 yr?

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    Re: Tritium TUbes

    Quote Originally Posted by Chronohound View Post
    At 25 yrs wouldn't 1/4 of the lume remain??
    If the half life is 12.5 yrs, then at 12.5 yrs. 1/2 would remain. Then at another 12.5 yrs., 1/2 of the 1/2 would be present (i.e. 1/4) at 25 yrs.
    In theory the lume should last longer than 25 yrs, assuming all else being constant.
    Actually, I think you are correct with this. Chemistry was never my strong point.

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    Re: Tritium TUbes

    My local AD showed me a Luminox watch that he claims was over 20 years old and said that the tritium tubes were still going strong. He figured the Ball's would perform at least as well.

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    Re: Tritium TUbes

    Quote Originally Posted by stockae92 View Post
    we should be able to tell how tritium tube will behave in the long run by looking at the old Marathon or S&Y watches.

    my question is: would tritium tubes be in production in 25 yr?
    Well H3 tube production is one issue another issue is at what cost? It seem like when you replace H3 tube for BALL watch you could get another cheap automatic watch that has H3 tube as well. And also not to forget whether the watch company will survive after 25 or even 12.5years. Well Lehman was so call worth US$1Trillions before they collapse, so nothing is for sure. Cheers.

  11. #10
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    Re: Tritium TUbes

    That's a good point Iceheller. We also have no idea what technology will have to offer in 25 years. By that time, chances are good that something more efficient, longer-lasting, less expensive, non-radioactive, etc., might be available. Then again, 25 years from now, Ball Watch might have an AD located on the moon, to service the people living there!

    Regards,
    -Jeff
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    "Give me the perfect oil and I'll make the perfect watch."
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