Hamilton question...

Thread: Hamilton question...

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  1. #1
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    Hamilton question...

    Hello,

    I recently purchased a Hamilton H77616533 and noticed that if I do not wear it for 2-3 days it will stop completely and I'll need to readjust the time/date and then whinde it up again. Is this normal? I would have thought it would last longer then that....



    Thanks,
    Vince

  2. #2
    Moderator sixtysix's Avatar
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    Re: Hamilton question...

    Your Hammy has a Swiss made valjoux model 7750 25 jewel automatic movement, I am not sure what power reserve is, but 36-48 hours is normal. Your watch is functioning properly. Automatic watches are wound by the movement of your wrist. If you stop moving it the 'power reserve' time starts, and it runs normally until the spring unwinds and then stops like all mechanical watches. Some folks use watch winders to keep thier automatic watches wound all the time. I just let mine run down and then wind them or start wearing them when I want.
    Last edited by sixtysix; May 9th, 2008 at 12:10.
    Later, Gary




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  3. #3
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    Re: Hamilton question...

    Thanks Gary, didn't know the power reserve was so low. But glad to know that it's normal :) thanks again for your reply.

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  5. #4
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    Re: Hamilton question...

    Hmm i think 42 hours is the norm.
    Longer power reserve command big bucks, A. Lange & Sohne has a watch with 31 days power reserve, have to use special key to wind it up and price is rather scary.
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  6. #5
    Member MMCGINN's Avatar
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    Re: Hamilton question...

    Yeah I usually wear mine once every 3-4 days and I just reset the time/date before putting it on.

    Last edited by MMCGINN; May 9th, 2008 at 18:32.

  7. #6
    stuffler,mike
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    Re: Hamilton question...

    Quote Originally Posted by 99Reza View Post
    Hmm i think 42 hours is the norm.
    Longer power reserve command big bucks, A. Lange & Sohne has a watch with 31 days power reserve, have to use special key to wind it up and price is rather scary.
    I don´t think there is a norm. The power reserve varies from movement to movement. For more info: http://www.timezone.com/library/coma...omarticles0029

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