CITIZEN Eco-Drive Super Titanium
Five time the hardness of stainless steel resistant to scratching.
of Scratch resistance -
Hardness of material
Stainless Steel – Hv150-220
Normal Titanium – HV170-200
Super Titanium – Hv1000-1200
*Vickers hardness (Hv) is measured by pressing a probe made of diamond against a test piece.