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Crown And Stem Falling Out Of Omega 565


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Hello all, I recently acquired a "vintage" Omega  from ebay, and I am looking for advice as to the best way to repair it.

 

This watch is an Omega Geneve Automatic from probably 67-70 (based on the serial and case Ref#). The movement is a 565, and this is where the issue lies. When the watch arrived I discovered that the crown and stem are not secured, but they just slid right out when I went to adjust the date!

The watch was running when I got it, and I can put the crown/stem back in and wind the mechanism, but it doesn't seem to catch to adjust the hands or the date. (I was able to adjust the hands once right when I got it, but when I picked the watch up an hour later the issue presented itself).

 

My question then is twofold. I would obviously like the watch repaired, but I am interested in learning more about mechanical movements and teaching myself how to do basic to intermediate repair/cleaning.

Based on the issue I have described,

1-is this problem a relatively straightforward watch related repair? and

2-does anyone think that I would be able to fix this issue myself (after careful study)?

I am a biologist so I am used to working with my hands and am very familiar with learning new techniques etc.

 

I haven't been able to find any good guides for this specific issue online, and this forum seemed like it had a wealth of knowledgeable people who may be able to point me in the correct direction.

 

Thank you for your time, I have attached pictures that I believe illustrate the issue.

post-1846-0-29630000-1456159115_thumb.jp

post-1846-0-46500600-1456159118_thumb.jp

post-1846-0-55122500-1456159119_thumb.jp

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Here is what you have under the movement. It sounds as if the notch on the bolt has broken and will need replacing. I have know in the past sometimes very hard dirt can get under the bolt and it fails to seat properly to the movement which can also cause the stem to come out. Looking at your stem it looks ok.

post-1154-0-90113500-1456161448_thumb.jp

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This is a fairly common problem for omega as the clutch wheel has slipping due to the set lever screw, or in this case, set lever pin being pushed too hard.

 

For me this is an easy fix, as long as the setting lever hasn't been broken.

 

All you need to do is take the dial off, remove setting lever, reset the clutch wheel so it's between the setting lever's lever and put it all back together again.

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    • They do exist, i had a Lucerne front access a couple of years ago that had a false looking screw down case. 
    • If it's a push on back then it could have a notch in it for the stem which would mean the wording position would stay the same across all watches no matter how many times the back was removed. I've never seen a watch of this era, even a front loader, that doesn't have a removable back.  
    • Rule of thumb I have is that if the dial is larger than the case back (or the thing pretending to be a case back) then it is probably a front loader. Appreciate it's sometimes not easy to tell, but lots of times it's obvious and you kick yourself for not realising it earlier.
    • Geotex, wow on the poor-man’s display back.  Didn’t see that coming.  Thanks for letting me off the hook for not realizing it.  I greatly appreciate your time and advice.  I am trying follow all of the advice people take the time to provide but being a relative novice I am not always sure of exactly how to execute it.  I don’t want to go too far in the wrong direction. I have already found out how that ends.  Your evidence regarding the wording on the case backs is compelling.  It’s placed exactly the same as mine.  What’s the odds that three watches could have case backs removed and replaced repeatedly and all end up in the exact same position.  They are identical except for the fact that some idiot super glued a big nut in the middle of mine.   Now, considering the last comment by Eccentric59, does it make sense to pull the Crystal to check to see if it has a Seiko movement with a release lever before I commit to using pliers on the crown?  Nothing to lose with that approach I guess.   Thanks to everyone again for your time!
    • Might I suggest one of the iterations of Linux for older hardware? Mint cinnamon is very Windows-like with a much lower pain point for legacy devices.
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