watch crystal Definition

crystal, watch glass, bezel, hunter, lunette, jewel, quartz, hunting watch, half-hunter, jewelled, jewels, glass, lcd, caring, index, indexed, indexing, care, face, ruby, alert, attended, attending, attention, attentive, balance, balancing, beware, bullseye, carefully, case, catch, cautious, clock, cover, detent, diet, ear, easy, eye, eyes, focus, fore, gear, goer, hook, hooking, hooks, hour, hours, hover, jook, judge, keep, keeps, key, miss, play, regulator, scrape, slow, spy, spying, stem, stop, stuff, stuffed, tackle, time, timer, vigilant, watcher, boron, eyeglass, hyaline, iris, knot, knotting, optic, orb, orientation, pleochroism, polar, refractometer, scry, slip, spar, stibnite, open-faced, turner, watch-glass, asterism, brush, decorate, dextrorotation, dichroism, display, emcee, liquid crystal display, microlite,