Replacement Sapphire Watch Crystal for Longines Master Collection
Compatibility: For Longines Master Collection L2.142 / L2.642
Material: Sapphire Crystal
Type: Curved / Fan-shaped Crystal
Sizes: L2.142 (25.4x20.9mm) / L2.642 (32.8x27mm)
Feature: High definition and transparent
Feature: Scratch-resistant and wear-resistant
Package: 1 x Watch 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.