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Ordering Crystals

EdB

By EdB
in Watch Repairs Help & Advice

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EdB Member

EdB

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Hi everyone!

I know this is a very basic question but I need some light shed on the subject. So I have several watches I have serviced and are ready to be re-cased but prior to doing so I would like to replace some of the Plastic / Round crystals. My issue is this, I have visited many of the suppliers websites and have no idea what there abbreviations stand for. I have measured my existing crystals both diameter and height but from here I'm at a loss. All of the watches I am replacing the crystals on are center seconds type. All of the crystals I am replacing have cracks in them so Poly Watch will not work to get them back into a usable condition. I am located in the US so I have checked most of the supply houses but again not very clear on how to proceed. 

I also have to order a mainspring 401660 Seiko, 29C UT movement. 

Thanks in advance. 

Ed...

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jdm Distinguished Member

jdm

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59 minutes ago, EdB said:

I have visited many of the suppliers websites and have no idea what there abbreviations stand for. 

 

Go on Cousins UK or Sternkreuz website and download the catalog. It explains all the codes, types and sizes available. 

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JohnR725 Distinguished Member

JohnR725

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another catalog together is at the link below

https://www.gssupplies.com/crystal-catalogs/

then you may find the next link confusing and helpful. The reason for the confusion it starts off with all those initials which mean what that's we look at the pictures. then if you scroll down the list you'll notice the word round clicking on that will show you pictures of all the various round crystals. In clicking on those will reveal what they have for sale.

https://www.gssupplies.com/crystal-catalogs/

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AshF WRT Addict

AshF

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I had the same problem.  The catalogs and codes really don't help.  I ended up buying 1 of each type in a similar size so that I could see for myself what the differences were.  They don't cost much and it's good stock to have.

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