Glue/cement for bezels and crystals

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Stumble for the first time with this kind of bezel on a Seiko (first Seiko I ever disassembled). Am I wrong to assume that the bezel should be glued? If so, could someone recommend a type/brand of glue for this task? Superglue?

Also,… since we are talking about glues I read somewhere (can’t remember where) that sometimes crystals are are glued with some king of polymer (activated by UV light). Can someone point me a brand for this also?

thank you all in advance


PS: I’m a totally amateur watch disassembler/reassembler… I’m doing this only for fun and to relax from my real job 😀
 
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It's an acrylic crystal so it will be pressure fitted, not glued. The bezel will also be pressure fitted so no glue is required.
 
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It's an acrylic crystal so it will be pressure fitted, not glued. The bezel will also be pressure fitted so no glue is required.

The crystal I was able to deal with it like I usually do. Pressure fitted like you said. But even the crystal was weird as there was no obvious “edentation” on the bezel. It worked however…

the bezel, however, adapts perfectly to the case all the way like you see on my 3rd photo with no resistance whatsoever. That’s why I thought it would needed to be glued… maybe I did something wrong 😬
 
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Crystal is here likely pressure fitted between bezel and case, Rolex-like. No glue, no gasket.

UV glued crystals do exist for Seiko. They are usually glued to a metal ring which may be fitted to the case between a L shaped gasket and the bezel. But there are lots of possible configurations used over the years.
 
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Crystal is here likely pressure fitted between bezel and case, Rolex-like. No glue, no gasket


You are absolutely right.. like @JimInOz was also saying I will stay away from the glue 😉

thanks guys
 
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While not proper, it's not unheard of to use an adhesive for a repair like the ones you are talking about if you are in dire straits and just want to make the watch usable. You might want to use an adhesive that can be removed easily, e.g. heat or solvent.