DW5600C polishing; restoration with pics.
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  1. #1
    Member Davidro's Avatar
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    Dec 2011

    DW5600C polishing; restoration with pics.

    Hi all,
    After my internet died for few hours on Sunday I decided to get round to cleaning up a DW5600C module that I recently picked up at a flea market.

    Quite a nice one, it is a DW5600C-1 - note the 20 BAR instead of the usual 200M WATER RESIST. I believe this is the JDM version, also it is the 691 module with the mirror back.
    When I reset it the module year read '85.

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    As you can see some scratches, typical of what you would expect when you buy a used module on ebay. When i buy these I will always look for chips, cracks and bubbles - avoid these. Even deep scratches can be polished out, I almost feel happy to see some scratched up crystal knowing it can be easily polished out and will probably be cheaper!
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    First up. I used wet-and-dry sand paper 400 grit. Pretty coarse but it cut down to the base of the scratches in a few minutes.
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    Next I used 1000 grit for about 5 minutes. Checking to see if any deeper scratches were still present.
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    After, I used 7 micron diamond paste on the back of the sandpaper to remove small surface scratches. Circular motion and checking every few minutes.
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    After 5 minutes it was smooth and bright, under scrutiny there were some microscopic pits still, but so small it wasn't worth worrying about. If you were more fussy you could repeat the above process to remove those, but it was good enough for me.
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    The back wasn't too bad, some light scratches. Usually I wont polish the back too much as it can dull the lettering. The back is the hardest to get right. Too much and it looks bad.
    So go easy here- usually the milled backs e.g. the 901 module backs, I leave alone.
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    I used a dremel and 7 micron diamond paste again, to polish the superficial scratches. I finished it off with rag type Dremel wheel which applies less pressure.
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    Depending on the angle and the light, it looks mirror again, though some deeper scratches remain under scrutiny.
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    Finished in under an hour and looking a million % better!

    A really good score, this crystal is a good one with no bubbling - even on the alarm spring.

    Thanks for checking it out. The cost of the materials to do the crystal is under $10, so I think anyone can do it too!
    Last edited by Davidro; August 26th, 2012 at 09:22.
    ~~: Vintage Screwback & Classic/JDM G collector :~~
    Screwbacks {DW5000C.. {DW5200.. {DW5400.. {DW5500C.. {DW5600C-1, 1V, 9V, 9CV, 5600B-3V, 5600D-1.. {DW5700..
    {DW5000-1JF.. {GW5000-1JF..
    Illuminators DW5300 DW6600, DW6600B, DW6600G-9V, DW6695-A, DW069, Dw6900, DW6900BF, DW8300 DW8120
    Other Watches: Rolex 116300 ( DatejustII), Orient Conductor, Sandoz Submariner.

  2. #2
    Member kiwidj's Avatar
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    Sep 2007

    Re: DW5600C polishing; restoration with pics.

    Well done! Looks great. Thanks for sharing the tips.

  3. #3
    LUW is offline
    Member LUW's Avatar
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    May 2009

    Re: DW5600C polishing; restoration with pics.

    Whoa, that looks fantastic! Fantastic job!
    What polishing paste did you use?

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  5. #4
    Member greg1491's Avatar
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    Jul 2012
    WNC, USA

    Re: DW5600C polishing; restoration with pics.

    Great job. Crystal looks brand new. Awesome!

  6. #5
    Join Date
    May 2012
    Planet Earth

    Re: DW5600C polishing; restoration with pics.

    Nice work, always fascinating to see a piece restored. Are you going to cloth it?

  7. #6
    Member kknight's Avatar
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    Sep 2010
    Central, CA

    Re: DW5600C polishing; restoration with pics.

    This is cool! - it would be a great addition to the tutorial sub forum.
    Last edited by kknight; August 26th, 2012 at 16:28.

  8. #7
    Member ccm123's Avatar
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    Feb 2010
    San Francisco Bay Area

    Re: DW5600C polishing; restoration with pics.

    Very nice!

  9. #8
    Join Date
    Jun 2011
    Raincouver, BC, Canada

    Re: DW5600C polishing; restoration with pics.

    may I know where you buy the material for the crystal from?
    Selfishness is not living as one wishes to live, it is asking others to live as one wishes to live.Oscar Wilde

  10. #9
    Member Chrisek's Avatar
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    Apr 2012
    Brentwood, TN
    Thank you davidro. I'm really liking this aspect of g-shock ownership.
    Yes, I am OCD. What gave it away?

  11. #10
    Member b0n3s's Avatar
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    Jun 2011
    Columbus Ohio
    Looks great!!!!

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