Masar Flat Sapphire Watch Crystal – 1.0 mm Thickness, 19.0 mm to 28.9 mm Diameter - 1 Piece

Flat Sapphire Watch Crystal – 1.0 mm Thick

Masar watch glass made of flat sapphire crystal , recognized as one of the hardest and most resistant materials in the world. This glass, often called watch glass or sapphire , is ideal for replacing original glass and providing durable protection against scratches and impacts. Made in Japan , it combines transparency, robustness and premium watchmaking quality.

Technical Specifications

• Type : Round flat sapphire glass (watch crystal).
• Thickness : 1.0 mm.
• Available diameters : Ø 19.0 mm to Ø 28.9 mm.
• Material : High-end synthetic sapphire, unbreakable.
• Origin : Made in Japan.
• Packaging : 1 piece (1 Pc).
• Delivery time : In stock or 8 to 12 weeks depending on diameter.

Usage and Compatibility

• Suitable for automatic, mechanical and luxury watches .
• Ideal for easily replacing the original lenses .
• Compatible with most high-end cases.

Quality and Durability

Sapphire glass is the hardest material used in watchmaking, renowned for being virtually unbreakable . It is scratch-resistant, thermal shock-resistant and retains perfect transparency even after several years of use.

Measurement Council

Use a steel caliper to measure the diameter of the glass. If you are using a plastic model, add 0.1 mm to your measurement to compensate for tolerance and ensure a perfect fit.

Choose the Masar 1.0 mm flat sapphire watch glass – a premium Japanese crystal , ideal for restoring, strengthening or modernizing your watches.