Resin watches (eg.Casio GM-10)

I am a bit worried about collecting resin watches because they can split and further degrade with time. I own a resin casio watch that has split. It's frightening. Am I the only person here who worries about this?

 

It seems to me that a lot of folks here collect a lot of resin watches. Sure, some of them are great, and I have a NOS Alien watch myself!

 

But I worry about their longevity.

 

What are your views on this?

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Original Post

Which watch suffered the split, Rich?

 

Was it the case or the strap?  I have about 60 resin watches, Casio and others, and have not had a single case split on me.  I have, however, had a couple of straps split over the years, but those bands are probably at least 25 years old.

Yeah I'm also curious as to what watch split ? 

 

I mostly collect resin watches and I can safely say I never had a case split on me. If you are talking about straps then yes they do degrade over time. But you rarely see a old resin watch with its original band anyway, about 80-90% of them time they have replacement straps.

I also worry Rich. 

 

What worries me most are especially BEZEL and BAND of my G-Shocks. 

 

Rich, the secret to maintain the longevity of these resin watches  is:

 

* Keep watch free of humidity and well protected. If possible, try to put ALL resin watches together and protect them with plastic because the oxigêncio is a real poison for resin and rubber.

 

* Another great thing to do to protect is lubricate rubbers and resins, both the case and the bezel / rubber straps with LIQUID SILICONE. For those unaware, liquid silicone is a lubricant of resin/rubber and it prevents the attack of oxygen on the resin / rubber. I always use liquid silicone on my resin watches, especially those older. I also usually use liquid silicone in internal parts of the watch, because this product is also used as a sealant. I use liquid silicone on orings and gaskets of internal watches, and especially, to clear debris inside the buttons of any watch.

 

                                                                    

I have a few resin watches ,some seiko but mostly casio (marlin, g-shocks)

And i did break some bands that were hard and brittle, but never split a case.

I did have a problem recently with a casio W-100, i put on a wrong band and it was pulling to hard on the small holes in the lug (holes for attaching the band) and the holes were ruined and became a lot bigger so i can't attach a band any more, but that was my own stupid fault

CASIO had a few G-Shock and other watch models that were notoriously known for resin rot.  You could have a pristine example that looks perfectly fine, then go one day to wipe down the resin bezel only to witness it crumble in your hands.  I'd experienced this first hand with a DW-5700ML, and I've seen others report similar experiences.  Thankfully, the real problem resin is isolated to a few models.  There are some G-Shocks from the early 1980's that are still going strong, which is a fine testament to the capabilities of resin.

 

Still, I think it prudent to apply some conditioner to the resin as engecampos suggested, otherwise it may eventually deteriorate. There are some vinyl protectants made that are very good for resin.  So I wouldn't avoid resin encased watches for this reason. Failure is not common, so why deprive yourself the enjoyment of other CASIO watch models?  

never had a problem with resin watches. but the rotten-resin problem is the reason why i dont collect vintage g-shocks anymore. i have some 5xxx series screwbacks with spare bezels and bands (which are not produced and out of stock now) and thats it. because for other more rare watches like dw-5900 or some other cool g-shocks they is no more replacement for the bezel and sure these bezels WILL crack one day and then the watch is useless. 

Originally Posted by fonklover:

never had a problem with resin watches. but the rotten-resin problem is the reason why i dont collect vintage g-shocks anymore. i have some 5xxx series screwbacks with spare bezels and bands (which are not produced and out of stock now) and thats it. because for other more rare watches like dw-5900 or some other cool g-shocks they is no more replacement for the bezel and sure these bezels WILL crack one day and then the watch is useless. 

Well, if you're specifically not buying other CASIO watch models for fear of resin rot, I would again remind you that it's a very remote possibility that newer models will suffer this problem.  Not only that, but you already know the drill--get a spare bezel/band and you're all set. It's also hard to know where we will be in our appreciation of these watches come 20 years from now. If you spend $100 on a watch and it lasts 10 years, that's a mere $10 per year. And that's being conservative!

 

Also.. I think engecampos has the right idea, in that all you need to do is vacuum pack your spare resin and that will suspend the risk of resin rot, assuming it's even there.

engecampos posted:

I also worry Rich. 

 

What worries me most are especially BEZEL and BAND of my G-Shocks. 

 

Rich, the secret to maintain the longevity of these resin watches  is:

 

* Keep watch free of humidity and well protected. If possible, try to put ALL resin watches together and protect them with plastic because the oxigêncio is a real poison for resin and rubber.

 

* Another great thing to do to protect is lubricate rubbers and resins, both the case and the bezel / rubber straps with LIQUID SILICONE. For those unaware, liquid silicone is a lubricant of resin/rubber and it prevents the attack of oxygen on the resin / rubber. I always use liquid silicone on my resin watches, especially those older. I also usually use liquid silicone in internal parts of the watch, because this product is also used as a sealant. I use liquid silicone on orings and gaskets of internal watches, and especially, to clear debris inside the buttons of any watch.

 

                                                                    

hello engecampos. How are you? How much time you are using liquid silicone in you watches? In this time don't have any collateral effects? All the things are fine at the moment? Thanks. I have some casios with resin bands. My bgp200 recently suffer the resin rot. But i don't know how the old owner off the watch take care from this watch. In this case I put a new brown genuine leather strap. I think this watch so nice.��

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