What is another word for watch crystal?
Pronunciation: [wˈɒt͡ʃ kɹˈɪstə͡l] (IPA) 
Watch crystals are the transparent covers that protect the watch face and keep it from getting scratched or damaged. These crystals can be made of various materials, such as acrylic, mineral glass, sapphire, or even ceramic. Depending on their composition and properties, they can be called by different names, such as watch glass, crystal glass, safety glass, scratch-resistant glass, or anti-reflective glass. Some types of watch crystals also have special features, such as UV protection, polarizing filters, or luminous coatings that enhance their visibility and performance. Whatever the term used, a good quality watch crystal is an essential component of a reliable and attractive watch.
