This watch glass is carefully crafted with date window and expertly produced. This transparent sapphire watch glass has a hardness that ranks nine out of ten in the Mohs scale, making it the hardest material second to diamond. It is also designed to be anti-impact, anti-scratch, and with high electrical resistance, so it withstands the test of time.

• Sapphire crystal watch case screen cover with date window
• Material: Sapphire
• MOQ: 100+ pcs
• Coating
• Layers: 3~10 layers
• Single side or both side
• Anti - scratch, anti - impact, anti - corrosion
• 9 Mohs hardness (second to diamond)
• High melting temperature 2030°C 
• Hard coating
• Electroplating / Metallization
• Color: Black, Golden, Pink Golden, Blue...
• Welcome to ask/inquire some details/another of any color and effect of coating and metallization.