40% stronger and 30% lighter than steel, with antimicrobial and hypoallergenic properties, Titanium is a material reserved for premium timepieces. Possessing the exact chemical makeup as natural sapphire, the second hardest known element, the crystal is exceptionally resistant to abrasion and scratches and is the material we use on all of our watch faces. Second only in hardness to diamond, the mirror can withstand a lifetime of use and remain looking exceptional.