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  1. #1

    Default ultrasonic cleaning solution for watch movements

    I read that paint thinner is a good ultrasonic cleaning solution for watch movements. Anyone have any good suggestions? I recently used a water based on a Waltham Royal movement and it worked out well. The watch runs great....but i read that water based is not recommended.

  2. #2
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    Default Re: ultrasonic cleaning solution for watch movements (RE: finiteguy)

    I use L&R non ammoniated solutions for general cleaning, One-Dip for hairsprings, but I'm hearing that there's a newer hairspring cleaner that is cheaper and that doesn't have the fumes. Zenith 707.
    Regards,

    Randy
    Last edited by Randy Beamer; 08-20-2011 at 10:06 PM.

  3. #3
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    Default Re: ultrasonic cleaning solution for watch movements (RE: Randy Beamer)

    I use paint thinner (mineral spirits) as an initial rinse after using L&R petroleum based watch cleaning solution. I give the parts a final rinse in Coleman lantern fuel as is leaves no residue and contains a rust inhibitor.
    Darrah
    Chap. 15, 124, 139, 149, 168

  4. #4
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    Default Re: ultrasonic cleaning solution for watch movements (RE: darrahg)

    Quote Originally Posted by darrahg View Post
    I use paint thinner (mineral spirits) as an initial rinse after using L&R petroleum based watch cleaning solution. I give the parts a final rinse in Coleman lantern fuel as is leaves no residue and contains a rust inhibitor.
    Since I am new to this I have a question: Are we talking about wristwatch movements, pocket watch movements or both as it rates to petroleum based cleaning solutions and rinse?

    Thanks,
    AL

  5. #5
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    Default Re: ultrasonic cleaning solution for watch movements (RE: EverydayCat)

    I use it on wrist and pocket watches and clocks. I make sure the cleaner and rinse are new or almost new (very clean) with the watches. The cleaning solution can get a little color (dirty) with clocks. I don't mean any disrespect to clocks, they just have a broader tolerance and my rinses are clean for all movements.
    Oh, watch cases are cleaned in older solutions.
    Darrah
    Chap. 15, 124, 139, 149, 168

  6. #6

    Default Re: ultrasonic cleaning solution for watch movements (RE: darrahg)

    Quote Originally Posted by darrahg View Post
    I use paint thinner (mineral spirits) as an initial rinse after using L&R petroleum based watch cleaning solution. I give the parts a final rinse in Coleman lantern fuel as is leaves no residue and contains a rust inhibitor.
    If it contains a rust inhibitor, it by definition leaves a residue. It would be nice to avoid that. Another solvent that you can use that won't leave a residue is VM&P Naptha (aka Ronsin Lighter Fluid).

    If you go back about 5 years, you will find a long thread that I started where I was looking for homemade alternatives to the L&R solutions... this was before the new board, so you can't search on Gnomon as a user name, but probably as a text string.

    -Chuck Harris

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