Grind edges of watch-crystal blanks.
What does a Watch Crystal Edge Grinder do?
Grinds edges of watch-crystal blanks, using abrasive wheel: Places blank on die of specified size and clamps die and blank in chuck. Starts grinding wheel and adjusts flow of water on wheel. Holds blank against wheel and grinds it until die is stopped by guide. Rotates blank and die until all edges are ground.