An excellent tutorial on black polishing watch screws, by Henrik Korpela of @KHWCC for @WatchesbySJX
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An excellent tutorial on black polishing watch screws, by Henrik Korpela of @KHWCC for @WatchesbySJX
Redirecting to http://www.watchesbysjx.com/2015/01/explained-fine-art-of-black-polishing.html