How to open the case back ?

Thread: How to open the case back ?

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  1. #1
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    How to open the case back ?

    Hello,
    I just received two Doxas. Thrilled but a bit frustrated with my complete lack of pocket watch knowledge. Would someone be kind enough to let me know on the secret of " how to open the back " of these watches? I see the hinge, I see the back detail for the thumb to lift the back but I don't want to " force " anything. There must be a release mechanism. I have a smaller pocket watch and to release the back I just need to push down on the crown.
    Thank you for your guidance here.
    PS: While I have your attention, how do you move the hands to set the time ?
    Last edited by frogonwheels; November 7th, 2008 at 22:20.




  2. #2
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    Re: How to open the case back ?

    Hi
    Some pocket watches have screw backs,some have hinges were you use a case knife on the other side of case from the hinge you will see a small slit you use a case knife or sharp pocket knife to put in that small opening to open it or as you say some have buttons you push on the crown if you give more photo's of the side and back of watch the forum can help you better

  3. #3
    Member Ray MacDonald's Avatar
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  5. #4
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    Re: How to open the case back ?

    Quote Originally Posted by Ray MacDonald View Post
    Thank you. I got both open with a case opener. The Pocket watch has a small spring loaded " pin " which when pushed down will let the crown move the hands to set the time. The other Doxa, the " travel " clock, I haven't figured yet how to set the time : no " magic " pin and the crown won't do anything but rewind the watch !




  6. #5
    Member Shangas's Avatar
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    Re: How to open the case back ?

    You have a pin-set watch and...perhaps a lever-set watch? What other ways were there to set time apart from pin, lever and stem?
    "Pipes are occasionally of extraordinary interest...nothing has more individuality save, perhaps, watches and bootlaces."

    - Sherlock Holmes.

    'The Yellow Face'.

  7. #6
    Member Ray MacDonald's Avatar
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    Re: How to open the case back ?

    Keyset but I doubt an 8 day watch would have that. The crown doesn't pull out?

    There are fathers who do not love their children; there is no grandfather who does not adore his grandson. ~ Victor Hugo

  8. #7
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    Re: How to open the case back ?

    Quote Originally Posted by Ray MacDonald View Post
    Keyset but I doubt an 8 day watch would have that. The crown doesn't pull out?
    Well.....it does !!! Because these watches are new to me, I didn't want to use " the Force " to do anything, afraid of doing something I might regret.
    But after reading your post, I decided to try another pull on the crown....and it popped out. Thanks a lot.
    Now I have to deal with another problem with the while dialed one : while the seconds hand keeps perfect time ( checked it next to a chronometer and stayed right in sync over 8 hours ), the minutes hand moves fine but the hours hand is not keeping pace and seems to be slow ( moves up only 1/2 hour at best after a full hour as gone by ! ). Can an hours hand be loose on the stem and show this kind of behavior ?
    Thanks again.




  9. #8
    Member radger's Avatar
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    Re: How to open the case back ?

    Very nice old timepieces.

    It could be that the hand is loose or it might be
    that the hour wheel (to which the hour hand is
    attached) is simply riding up on the cannon pinion
    because of excessive clearances between the dial
    and plate.
    This may all sound complicated but it is a simple
    adjustment and would be sorted during a routine service.

  10. #9
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    Re: How to open the case back ?

    Quote Originally Posted by radger View Post
    Very nice old timepieces.

    It could be that the hand is loose or it might be
    that the hour wheel (to which the hour hand is
    attached) is simply riding up on the cannon pinion
    because of excessive clearances between the dial
    and plate.
    This may all sound complicated but it is a simple
    adjustment and would be sorted during a routine service.
    Thank you. I brought the watch to a small repair shop in Sacramento. At no charge, he reset the hands, checked the running over the 24 hour dial, reglued the glass crystal and gave me back the watch for free.
    It now seems to work 100% fine. I'm thrilled




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