Replacement Sapphire Flat Watch Crystal (Front / Back Cover)
Compatibility: Fits most standard round watch cases
Material: Sapphire Glass
Type: Flat Crystal with Polished Bright Edge
Size: 24mm - 35.5mm diameter
Thickness: 0.8mm - 3.0mm
Feature: Scratch-resistant and wear-resistant
Feature: High clarity, polished transparent edge
Package Included : 1 PIECE Crystal

7 Benefits of Sapphire Lenses

• Precision Processing: Sapphire lens blanks are cut into slices with extremely high precision.
• High Hardness: Mohs hardness 9, only inferior to diamond.
• Superior Material: Purified aluminium oxide free from iron oxide, titanium oxide and other impurities.
• High Transparency: Sapphire lenses deliver better clarity than lenses from other mineral materials.
• Scratch-proof: Resists scratches caused by blade scraping.
• Heat Resistant: Produced with crystal powder heated over 2000°C.
• Sleek Surface: Sapphire surface is smoother and more crystal translucent compared with other materials.