“Taking off. Don’t worry, glass is special built”

Sapphire glass is used in Skeleton (AVE-64) and Tourbillon (STL-117) is known to be the definitive material for transparency and durability. The second strong material on the earth.

Coated with anti reflective coating.


Mohs Scale 9

Vickers hardness 2000 HV


Multilayer of Anti-reflection coating is applied to ensure you can read the dial clearly.