Ronin Posted December 2, 2011 Report Share Posted December 2, 2011 Ok, what am I missing here. I have 4 different 25-325-10 casback seals which are supposed to fit 1655, 1665, 1678, 1680, etc... Why does it seem too large in diameter to fit in the groove in the case. (GEN 1675). Thoughts? Link to comment Share on other sites More sharing options...
Ronin Posted December 3, 2011 Author Report Share Posted December 3, 2011 I have a feeling the 3 pack I ordered from Ofrei is simply wrong / mis-labeled. The OD is nearly 35mm. Went ahead and ordered from another source. Link to comment Share on other sites More sharing options...
automatico Posted December 3, 2011 Report Share Posted December 3, 2011 (edited) "I have a feeling the 3 pack I ordered from Ofrei is simply wrong / mis-labeled. The OD is nearly 35mm. Went ahead and ordered from another source." Probably the wrong gaskets. 29 = part category 325 = 32.5mm 10 = 1.0mm I had to stretch a few out a little before installing them...aft/mkt, not genuine. Maybe you got 'regular' and you need 'bull size'. Ha! I'm talkin' 'bout caseback gaskets here. Oh no... I read it bassackwards. I'll shut up. Edited December 3, 2011 by automatico 1 Link to comment Share on other sites More sharing options...
preacher62 Posted December 3, 2011 Report Share Posted December 3, 2011 I've had some that seem a little large (even if I just took it out of the watch), but when I put silicone sealer on them and make them sticky, I can install them fine. It causes them to bulk up just a hair and seal good. Link to comment Share on other sites More sharing options...
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