Depollier Case crystal replacement
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Thread: Depollier Case crystal replacement

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  1. #1
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    Depollier Case crystal replacement

    Hi Folks,

    i'm having trouble removing the current crystal on a double clinched bezel on a depollier case. Any tips on how to do this?!

    thank you!Name:  IMG_3208.jpg
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Size:  1.55 MB

  2. #2
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    Re: Depollier Case crystal replacement

    arthurliu82...Hello! I do not know this case, but it seems that a close look 'should' give you the answer...if it is a plastic crystal, I'd consider using "Rodico", and trying to simply grab it & lift up. If it's a glass crystal, well, you'll need to be much more careful! Perhaps, warming the assembly a bit with a hair dryer would compel the bezel to expand, & the crystal would be released.

    Then again: I'm sure someone here will know what to do...there is quite some interest in watches from this era, and someone will have worked on just this style. Michael.

  3. #3
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    Re: Depollier Case crystal replacement

    From your side view, that looks like the original yellow military crystal that Depollier himself developed in late 1917.

    He specifically wrote about it in his 1917 pamphlet, "The Watch in the Trenches".

    Depolliers are worth far more if this special yellow "military version" crystal is still intact, the civilian version are clear.

    The purpose of this special crystal was to lessen the brightness of the radium lume on the battlefield so an enemy sniper could not pick you off from across "no man's land".

    Bright lume on a trench watch was an easy target for a skilled sniper.

    If you have not removed it already I would leave it installed.
    James A likes this.
    Author of "Elgin Trench Watches of the Great War"

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  5. #4
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    Quote Originally Posted by Literustyfan View Post
    From your side view, that looks like the original yellow military crystal that Depollier himself developed in late 1917.

    He specifically wrote about it in his 1917 pamphlet, "The Watch in the Trenches".

    Depolliers are worth far more if this special yellow "military version" crystal is still intact, the civilian version are clear.

    The purpose of this special crystal was to lessen the brightness of the radium lume on the battlefield so an enemy sniper could not pick you off from across "no man's land".

    Bright lume on a trench watch was an easy target for a skilled sniper.

    If you have not removed it already I would leave it installed.
    Thanks guys! Literustyfan, ive kept the crystal based on your description. I’ve finally gotten around to finishing this one. Photos attached. Khaki crown and hand made leather Kitchener strap. All best,
    Attached Images Attached Images





    thoth, busmatt and Paleotime like this.

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