H558 caseback gasket - Seiko & Citizen Watch Forum – Japanese Watch Reviews, Discussion & Trading
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Old 02-08-2019, 05:51 PM   #1 (permalink)
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Default H558 caseback gasket

0J3440B0A. What size works for this please? I need to order a bezel gasket and some pushers but can't work out the dimensions of the caseback gasket.

Id 34.40mm but what's the cross section? J = 0.8mm?
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Old 02-08-2019, 06:38 PM   #2 (permalink)
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3rd to 6th digits are numerical, so previous coding system. So J would be 0.8mm


The document we use is confusing because in the example for the old coding system they have the number 1 in the second box when it should be letter.
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Old 02-08-2019, 06:43 PM   #3 (permalink)
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Yeh not entirely sure of how accurate that guide is at times....fairly certain I come across a gasket that doesn't make sense on either system.

Anyway...not easy to find something suitable so I think I'll go for 0.8x33x34.6 and 0.8x35x36.6 on cousins unless I'm missing something ...I'll look at the iso sizes..


Cheers Dan.
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Old 02-08-2019, 07:16 PM   #4 (permalink)
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Interestingly im sure srp777 bezel gasket is 0G35OBA11 but the c/s measured 0.8mm
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Old 02-08-2019, 07:18 PM   #5 (permalink)
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I got a 34.5x0.8 iso Swiss jobby and so hopefully that will fit....
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Old 02-09-2019, 12:59 AM   #6 (permalink)
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guy do you know if these are the same as the H601 as I'm in need of one (bezel and caseback)
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Old 02-09-2019, 01:23 AM   #7 (permalink)
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Quote:
Originally Posted by lewie View Post
guy do you know if these are the same as the H601 as I'm in need of one (bezel and caseback)
You can check here : http://cgi.julesborel.com/cgi-bin/ma...&submit=Search

I was going to check for you but apparently there are too many h601 cases, and i dint know which one is yours.
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Old 02-09-2019, 03:47 PM   #8 (permalink)
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It’s a 5480
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Old 02-09-2019, 04:19 PM   #9 (permalink)
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Quote:
Originally Posted by lewie View Post
It’s a 5480
0G340BAA1
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Old 02-09-2019, 04:24 PM   #10 (permalink)
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Thanks 34 x 0.8..?
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Old 02-09-2019, 05:23 PM   #11 (permalink)
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0.7 to 0.79 Paul if the gasket code I'm interpreting is correct.
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Old 02-09-2019, 05:24 PM   #12 (permalink)
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FE348BAA1 is caseback according to borel.
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Old 02-09-2019, 05:37 PM   #13 (permalink)
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I really need a bezel gasket but can’t seem to find a size - I have a bag of generic ones at ‘home’- I’ll be back there tomorrow so I’ll see what I can find
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Old 02-09-2019, 05:56 PM   #14 (permalink)
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703400 is on cousins....but two quid for 2!
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