Which watch crystal is the best?
Benefits of a sapphire crystal:
Fantastic scratch resistance.
Long lasting and able to withstand a lot of hard wear.
Suitable for deep sea divers’ case builds.
Drawbacks of a sapphire crystal:
Can be difficult to replace if designed in an irregular shape.
Some manufacturers coat both sides with anti-reflective coating that can get marked.
Benefits of an acrylic display:
They look amazing and show off the dial and hands well.
Fairly impact resistant.
Quick and inexpensive to replace.
Drawbacks of an acrylic display:
Easily scratched.
Limited water resistance.