Bring depth and dimension to the excellently crafted timepiece with this sapphire faceted watch glass. Ranked nine out of ten in the Mohs scale, so it is second to diamond in terms of hardness, and with anti-scratch properties, this sapphire glass offers utmost protection to the intricate dial and mechanical display.

• Sapphire watch case trimmed with a faceted ring.
• High quality & craftsmanship
• With anti-impact and anti-scratch features.
• With high electrical resistance.
• Features great thermal stability.
• Features a high melting temperature of 2030 °C.
• With a high hardness of 9 Mohs, which is second to diamond.
• Purity: 99.99%.
• Density: 3.98-4.1g/cm2.
• Compressive strength: 21000kg/cm2.
• Flexural strength: 4000kg/cm2.
• Infrared transmittance: 85%.
• Dielectric constant: 7.5 - 10.5.
• Place of origin: China.
• Color: metallization
• Available custom design & drawing