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Discussion in 'Horological Tools' started by Bubba007, Apr 22, 2012.
Can someone tell me if this has something to do with watchmaking?? Thank you
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.