| crystal |
The clean cover over the watch face, commonly known as the glass. Three types of crystals are commonly found in watches.
출처: www.findwatches.co.uk/terminology.php
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|---|---|
| crystalline lens |
helps focus the light onto the retina.
출처: www.douglaswilson.org/ocular_definitions.html
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| crystal |
The tranparent cover on the watch face made of glass crystal, synthetic sapphire or plastic.
출처: www.westime.net/terms.htm
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| crystalline |
of or as clear as crystal
출처: wells.entirety.ca/glossary.htm
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| crystal |
refers to transparent or translucent opal where the colours are sharp and visible below the surface.
출처: www.costellos.com.au/opals/glossary.html
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