How to Clean a Mineral-Glass Watch Face

by Meredith Jameson ; Updated September 28, 2017

Many watch crystals are made of mineral glass.

watch image by Igor Katz from Fotolia.com

Mineral glass is tempered glass. Made from silica, it is commonly used for watch crystals, as it is scratch-resistant. Mineral-glass crystals can get cloudy and dirty over time, because of exposure to debris, dirt, oil and other environmental factors. To clean a mineral-glass crystal, follow some simple steps.

Dampen a soft, clean cloth with rubbing alcohol, and gently wipe the face watch in a circular motion.

Place a pea-sized amount of ordinary toothpaste on an old toothbrush or another small, soft-bristled brush.

In a circular motion, gently rub the toothpaste on the watch crystal. Do not brush too hard, as the mineral glass is scratch-resistant but not impervious to scratches.

Dampen a new clean cloth with water, and wipe away the toothpaste.

Use a new clean cloth to gently dry the watch face.


  • Use care not to get the watch band wet. If possible, remove the watch band before cleaning the watch face.

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About the Author

Meredith Jameson writes early childhood parenting and family health articles for various online publications. She holds a Bachelor of Arts in history from San Francisco State University.