Quality and craftsmanship sapphire watch ring with a high electrical resistance along with anti-impact and anti-scratch properties, this durable and sturdy watch ring promises to withstand everyday wear and tear. A blend of functionality and style, this watch accessory is the one to get.

• High-quality sapphire crystal watch ring
• With anti-impact and anti-scratch features.
• With high electrical resistance.
• Features great thermal stability.
• With high optical production rate.
• 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.