what is this??

Discussion in 'Horological Tools' started by Bubba007, Apr 22, 2012.

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  1. Bubba007

    Bubba007 New Member

    Apr 22, 2012
    Can someone tell me if this has something to do with watchmaking?? Thank you

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  2. elphias

    elphias Registered User

    Dec 10, 2011
    A, A
    im kinda sure that this device would be better used in an optimologists hands than a watchfixers, the fact that it has convex and concave written on the dial tells me that it has something to do with lenses, as i have never heard of watches needing precice crystals in them.

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