Sapphire crystal is the highest possible crystal grade in the watch industry. It is the second hardest mineral on the planet after diamond. Sapphire is characterized with hardness and durability meaning, it is immensely scratch resistant while its fracture hardness has a rating of 9 on the Mohs mineral hardness scale. Torgoen is offering sapphire in many of its watches adhering to the highest manufacturing standards to produce beautiful timepieces, and nevertheless hardly unbreakable.
