Hong Kong Aviators

Thread: Hong Kong Aviators

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  1. #1
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    Hong Kong Aviators

    Hello all, does any one know off hand if the EM2 Aviator (46mm) in Hong Kong or Japan use the T100 like USA or are they the typical T25 or the T25-99?

    I think i read somewhere here or another forum that Asia Ball watches dont have T100 but an Aviator from Japan has a T100 and the seller says it is from an AD in Japan? Any insights would be greatly appreciated.

    Thanks!

  2. #2
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    Re: Hong Kong Aviators

    I did a ton of scouring before I found a T100 Aviator on ebay. Seems like many of them out there are T25's. I have yet to compare the T100 next to a T25. Either the T25 is up to 75% "dimmer" or they are marking them T25 to comply with some government regulation somewhere and they are the exact same as the T100's. I would really like to know if there is any "real" difference between the two. Perhaps there is someone out there who has compared the two in a dark room.

  3. #3
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    Re: Hong Kong Aviators

    I'm pretty sure the T25 is dimmer than the T100 as one has 100mCi of Tritium and the other has 25mCi of it.
    I'm just confused whether the asian (HK) aviator has one or the other. Well i guess when i go i'll find out for sure then! If it has a T25 then i'll just have to head to the US to buy a T100 !

    Or does anyone have a used aviator that they want to get rid of?

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  5. #4
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    Re: Hong Kong Aviators

    Well got one in Leegapore/Singapore. Dun think i will dispose it. Mind has the T100 printed on the dial and it is sure much brighter compare to my EHC which has T25. If you check out some HK watch forum, they have those that is T100 printed on the dial as well. But i recall Japan do not premit more than T100 watch to be imported due to import regulation or maybe now they do. Cheers.

  6. #5
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    Re: Hong Kong Aviators

    Just remember not to read too much into the tritium designations printed on the dial. An Aviator with T100 designation just means it has between 25 mCi and 100 mCi of tritium. An Aviator with T25 designation means it has 25 mCi or less. So, in theory, you could compare two Aviators - first one marked T100 and the second one marked T25 - and the first one might have 28 mCi of tritium, while the second one might have 23 mCi. It would be difficult to tell the difference between the two. On the other hand, say the first one had 92 mCi of tritium, while the other one had 25 mCi - that would probably be a very noticable difference.

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  7. #6
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    Re: Hong Kong Aviators

    I guess the only way to tell is to bring a geiger muller counter with me and line up all the aviators and to see which one gives off more mRem/hr haaaaaaaaa!

  8. #7
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    Re: Hong Kong Aviators

    I sort of try it for EHC I(T25) but no cricking sound from the geiger counter or it is on switch on.

  9. #8
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    Re: Hong Kong Aviators

    Quote Originally Posted by Jman2 View Post
    I guess the only way to tell is to bring a geiger muller counter with me and line up all the aviators and to see which one gives off more mRem/hr haaaaaaaaa!
    That wouldn't help either. The watches do not release radiation of any sort. Even if you were to break all the tubes at once, hydrogen(even in its tritium form) is far lighter than air and would dissipate almost instantly.

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    Jeremy

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