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Vintage Omega with “sticky” plastic movement holder inside mechanism

Wizzar
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Hi guys

One of my Omega’s have “sticky” plastic inside, it’s not solid/hard as it should be, do anyone of you have an idea how can I get movement out are there any pro tips which I can consider doing. Movement needs service I don’t want to damage anything

Thanks all 👍👍

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redpcar
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Better you than me. I would use a flat piece of pithwood and slowly scrape out the big stuff away from the movement. Any aggressive solvents would attack the dial so you need to stay away from the acetone. Wear nitrile gloves, that black tar does not come off easily.
 
Wizzar
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redpcar redpcar
Better you than me. I would use a flat piece of pithwood and slowly scrape out the big stuff away from the movement. Any aggressive solvents would attack the dial so you need to stay away from the acetone. Wear nitrile gloves, that black tar does not come off easily.
How can I get then new form/mold I don’t know how to name it. I assume without it movement won’t be in place, don’t know..
Do you maybe have some experience?
 
redpcar
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I would simply make one from another movement holder or a scrap piece of plastic. That will be the easy part ;-)
 
Wizzar
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redpcar redpcar
I would simply make one from another movement holder or a scrap piece of plastic. That will be the easy part ;-)
Hm I thought the shape must be exactly the same, it doesn’t seem that easy to get. One idea I have in mind to get another example of the same movement and watch reference but it’s kind of crazy idea, just to get plastic holder
 
redpcar
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I have a million generic watch movement holders that are very pliable. When you get it cleaned up, give me the diameter of the movement and I'll drop a few in the mail to you.
Don't get too far over your skis, you will need to take care of the tar first.
 
Archer
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I suspect that what you might be seeing there is an old case back gasket that has turned to black goop, and the actual enlargement ring (movement spacer) is probably still okay.

I would clean it as much as you can before removing from the case. You then remove the crown and stem, and remove the movement with the spacer - the spacer can then be separated and cleaned to see if it is okay or not. Clean up the case when the movement is out - 99% alcohol works well to get rid of gasket goop.

If the spacer is actually bad, then the new one is part number 07906200K.
 
rendo
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I think you will find the white spacer under that gunk. Good luck!
 
Wizzar
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Archer Archer
I suspect that what you might be seeing there is an old case back gasket that has turned to black goop, and the actual enlargement ring (movement spacer) is probably still okay.

I would clean it as much as you can before removing from the case. You then remove the crown and stem, and remove the movement with the spacer - the spacer can then be separated and cleaned to see if it is okay or not. Clean up the case when the movement is out - 99% alcohol works well to get rid of gasket goop.

If the spacer is actually bad, then the new one is part number 07906200K.
Hm, I thought gasket is not a size of movement spacer because the whole black area is sticky but I will give it a try, so if I understand correctly I can remove black goop from the top layer of the whole area and under that I’ll find movement spacer, then I will be able to remove movement, clean case with alcohol and also clean spacer. I thought it’s the whole spacer which turned into goop but it’s the first time I see something like this
 
Archer
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Wizzar Wizzar
Hm, I thought gasket is not a size of movement spacer because the whole black area is sticky but I will give it a try, so if I understand correctly I can remove black goop from the top layer of the whole area and under that I’ll find movement spacer, then I will be able to remove movement, clean case with alcohol and also clean spacer. I thought it’s the whole spacer which turned into goop but it’s the first time I see something like this
Well, we are only seeing one photo, but I have never seen a spacer turn to goop, just seals.
 
Wizzar
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Archer Archer
I suspect that what you might be seeing there is an old case back gasket that has turned to black goop, and the actual enlargement ring (movement spacer) is probably still okay.

I would clean it as much as you can before removing from the case. You then remove the crown and stem, and remove the movement with the spacer - the spacer can then be separated and cleaned to see if it is okay or not. Clean up the case when the movement is out - 99% alcohol works well to get rid of gasket goop.

If the spacer is actually bad, then the new one is part number 07906200K.
Hi again, it’s not gasket it’s all bad. I was wondering maybe you know or have documentation about dimensions of that filler, maybe it’s possible to be printed on 3d printer or do any of you guys know how to get new one?
 
redpcar
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Well, plan B. Your watchmaker might have a stash of generic watch movement holders. They are made of soft plastic that is easily cut. I would try that before the pain of 3D printing something.
 
ErichKeane
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That VERY much looks like some sort of chemical intrusion. Certain plastics do that when exposed to certain solvents. I'm guessing it was used in an environment with some tough chemicals (OR stored in a drawer with some?).

I'd probably 3d print that. It seems like it'd be a simple shape and easier to make look half-decent than modifying an existing one, and I'd presume finding a replacement would be a giant headache.
 
masteroftime
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I’ve had one of these before. The spacer/gasket was exactly the same and had turned to goop. Was bizzare to come across
 
Wizzar
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masteroftime masteroftime
I’ve had one of these before. The spacer/gasket was exactly the same and had turned to goop. Was bizzare to come across
hmm can you tell us what you exactly did?
 
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