Which type of watch glass are scratch resistant?

Which type of watch glass are scratch resistant?

The cover of a watch's face, known as the crystal, is designed to protect the dial. There are three main types of crystal found in watches: acrylic, mineral and sapphire.

Acrylic crystal is an inexpensive plastic that does not prevent scratches, but allows scratches to be buffed out.

Mineral crystal is glass, which is composed of several elements that aid in resisting scratches (it is seven times harder than acrylic crystal). It is generally found on more expensive watches.

Sapphire crystal is the cover of choice for premium watches. It is the most expensive type of crystal and is three times harder than mineral crystal. It is made of an extremely durable synthetic material that makes it shatterproof and scratch resistant (not scratchproof). Some have a non-reflective film to prevent glare.


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