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Our mineral crystal watch glasses are available in three types: flat , domed or flat and domed . They are ideal for replacing scratched, cracked or broken glass . Compatible with many brands such as Seiko, Tissot, Casio, Citizen, Swatch, Fossil, Omega , These glasses offer Japanese quality and watchmaking reliability .
Why choose mineral glass for your watch?
Mineral crystal glass is the most common option in watchmaking. It combines strength, transparency and affordable price . Less expensive than sapphire and more resistant than plexiglass, it is perfectly suited to everyday use.
Advantages of mineral glass
- Resistant to light scratches and everyday impacts.
- Very good clarity for clear reading of the dial.
- Excellent compromise between quality and price.
- Adopted by many Japanese and Swiss brands.
Quality and reliability
All our mineral crystal glasses are selected for their Japanese quality and cutting precision. Each model is individually packaged to avoid any scratches before installation and to ensure optimal transparency.
Types of glasses available
- Flat glass – classic and modern design.
- Curved glass – retro/vintage style with visual depth.
- Flat and curved glass – combines both profiles for an elegant and versatile look.
How to measure mineral glass?
To choose the correct diameter, use a caliper:
- With a digital or metal caliper : take the exact measurement.
- With a plastic caliper : add +0.1 mm for more precision.
- For acrylic glass (plexiglass) : also add +0.1 mm to ensure a firm hold.
Compatibility
Our lenses are suitable for many brands: Seiko, Casio, Citizen, Swatch, Tissot, Omega, Fossil, Longines and many more. Always check the diameter and type of glass (flat, curved or flat and curved) for a perfect fit.
FAQ – Mineral crystal glasses
What is the difference between mineral glass and sapphire glass?
Mineral glass is more affordable and resistant to shocks, while sapphire is almost scratch-proof but more expensive.
Can mineral glass be polished?
Yes, mineral glass can be polished with suitable pastes (e.g. diamond) to remove micro-scratches. On the other hand, for deep scratches, replacement remains the best solution.
Can I replace the glass myself?
Yes, replacing mineral glass is possible at home with the right tools (glass press, suitable seals). This requires precision: take measurements carefully before ordering to ensure successful assembly.

































































