ADVANTAGES OF SAPPHIRE CRYSTAL
Sapphire Provides a amazing compromise between durability, transparency and cost. It is very hard 9 on the Mohs scale next to diamond, according to report, the sapphire glass is 3 times as hard than mineral glass.
Sapphire glass is the most resistant to scratches, you can use a sharp metal object like a knife to scratch the surface of it. It feels very hard, and the glass will not be scratched, it is sapphire crystal.It is an great choice for luxury watches.
Besides, Sapphire is also widely used in optics and chemistry because it has good corrosion resistance, perfect transmittance.
DISADVANTAGES OF SAPPHIRE CRYSTAL
As glass, it still has the commonality of glass, that is, it is brittle and easily broken. Which is also increase the cost for watchmaker. Othersides, the price of sapphire crystal is higher than mineral glass, if you don't have enough budget, sapphire crystal maybe is not a best choice for you.