Oh dear. A center punch is not a good idea to tighten a loose Bezel. It got lost anyway Radioactive blobs of goop possibly applied with a stick. Not good I hate lead solder at the best of times and this is one of them The case needs a new back making Aargh! Lead again This time we made a new back for the case saving the front section and hinges watch-case-omega-closed-with-pressPlease stop using case presses to close old Omega or any other snap on case backs. This was the third one in a week and the only one we could save watch-case-omega-back-press-savedSaved