I am doing the same interesting russian watch, I noticed both incabloc settings seemed to be glued in. I am not sure what substances are on the spring and the cap jewel. I have scraped it with a peg wood and then a screw driver. A little came off, but doesn't help much. Very interestingly I have to mention, one side of the spring was broken for both dial up and down incabloc. And they seemed to use some substance (glue?) to fix the incabloc in the setting. My question is how do you remove it ?
Scrap it further (and harder) with the peg wood and a little acetone on it? I didn't really want to use anymore force as I am afraid I will break the pivot.
I don't think benzene or kerosene works, have not tried it yet though.