Hydro mod oil best to use
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  1. #1
    Member fcasoli's Avatar
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    Hydro mod oil best to use

    Hi,
    I would like to try the silicon oil in my Rangeman, without to remove more than back metal cover, what viscosity do you suggest to use?
    I find different values, from 50 to 12500...
    I'm tempted to buy the V100, liquid to close all spaces inside the case...

    Thanks

    Last edited by fcasoli; August 11th, 2017 at 14:59.
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  2. #2
    Member fcasoli's Avatar
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    Re: Hydro mod oil best to use

    I bought viscosity 100
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  3. #3
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    Re: Hydro mod oil best to use

    I had an interest in doing this some time ago, and the thinking then was the lower the better. Still have a can of 10wt silicon oil knocking about the garage somewhere. Couldn't get over the fact that a hydro mod prevents the auto EL from working!

    mmm... just realised the pack also has '100' on it, so obviously I don't understand the units of viscosity! LOL

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    Last edited by StephenWatch; August 11th, 2017 at 21:14.
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  5. #4
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    Re: Hydro mod oil best to use

    As mentioned in several other threads, don't use a silicone-based oil in your watch. It is likely that the oil will react with luminous coatings if present, and there is some suspicion that it will cause gasket/cushioning material in the Rangeman to swell. Best to use some kind of Teflon-based oil or 3M Flourinert if you can source some. I have seen some Teflon-based shock oil for R/C cars but, even the ones with the lowest viscosity ratings are many times thicker than Flourinert - shouldn't be a problem, though, if you are hydro-modding a digital watch.
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    Re: Hydro mod oil best to use

    What does this mod do?

  7. #6
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    Re: Hydro mod oil best to use

    Quote Originally Posted by watchw View Post
    What does this mod do?
    something like this :)

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  8. #7
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    Re: Hydro mod oil best to use

    Quote Originally Posted by watchw View Post
    What does this mod do?
    It has 2 primary effects. The 1st is that many think it clarifies the digital display by adding more contrast to it. The 2nd is that it enables the watch to withstand much higher pressures as the oil inside allows much higher force to be exerted on the watch. (Just like the oil in your car brake line which can withstand very high mechanical force on it). Oh, and it's just such a cool mod!
    watchw likes this.
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  9. #8
    Member fcasoli's Avatar
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    Re: Hydro mod oil best to use

    Aborted purchasing order for the oil 🛢
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