Concern: o-ring on the crown tube of the 5000

Thread: Concern: o-ring on the crown tube of the 5000

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  1. #1
    Member jmoors's Avatar
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    Concern: o-ring on the crown tube of the 5000

    I'm a little concerned about the o-ring on the crown tube of the new 5000T. I'm not saying it is a bad idea, but in my experience with o rings ... they don't last long until they need to be replace. Like any normal o ring do these need to be lubed now and again, and if so it seems to be another thing that I have to concerned about before hitting the water.

    I've never had a watch with an o ring that I could see on the stem so that is why I am concerned.

    Of course that didn't stop me from the pre-order!!!

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    Reply by DOXA
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    Dear Jim, good question here, but no reason for any concerns, every dive watch has at least 3 rubber seals, that are all made of silicon. The O-ring used on the DOXA SUB5000T is designed to last much longer than your first watch service will be due. In other words, those O-rings are designed to last for 20 years without loosing their elastcity.

    DOXA S.A.
    Last edited by DOXA S.A.; November 9th, 2007 at 11:21.
    John M.


  2. #2
    Member Flyingdoctor's Avatar
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    Re: Concern: o-ring on the crown tube of the 5000

    John,

    o-rings have been on the crown tubes of Rolex Sea-Dwellers and Submariners since the Pope was an Alter boy. I've never heard of any problems with them.

    I put a tiny bit of silicon grease on my Sea-dweller when I got it and everything turns and locks down smooth as silk. Did the same on my 5000T. No worries.

    Pete

  3. #3
    Member jmoors's Avatar
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    Re: Concern: o-ring on the crown tube of the 5000

    Thanks for the heads up Pete .... I can handle the silicon grease. Just didn't want it to dry rot and crack .... Great to hear from you and I certainly trust ya.
    John M.


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  5. #4
    Member TKite's Avatar
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    Re: Concern: o-ring on the crown tube of the 5000

    Quote Originally Posted by jmoors View Post
    Thanks for the heads up Pete .... I can handle the silicon grease. Just didn't want it to dry rot and crack .... Great to hear from you and I certainly trust ya.
    John, if the O-Ring is of concern, you can be most assured that Doxa as well as Rolex used PVC or Silicon based material to fabricate their O-Rings as they do not rot like natural rubber.

    You might put a bit of DOW 111, or other type of silicon grease on the O-Ring, or if you have deep pockets, Krytox.
    Regards,

    TKite
    Commercial Diver

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