Sapphire Crystal Upgrade for Quartz Watches
Add this item to your cart when purchasing a quartz watch to upgrade the front crystal(the glass) to sapphire.
There are two main types of watch crystals or glass used for watches. These are mineral crystal(basically hardened glass) and sapphire crystals, which are made from synthetically grown sapphire. Mineral glass is just like regular glass in that it can be scratched and broken from sudden impacts or abrasions. Sapphire is extremely durable. It's chemically the same as sapphire that comes out of the ground and has an extremely high hardness factor and is extremely abrasion resistant.