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This generic flat round mineral glass crystal is available in a wide diameter range from 19mm to 45mm, with thickness options of 2.5mm or 3.0mm, suitable for replacing damaged or scratched original crystals on various watch types. Made of hardened mineral glass, it offers good scratch resistance and impact protection for everyday wear.
Flat round design – classic, versatile style for many watch types
Two thickness options – 2.5mm and 3.0mm for different case requirements
Wide diameter range – 19mm to 45mm for various case sizes
Hardened mineral glass – good scratch resistance and impact protection
Economical replacement – cost-effective alternative to original crystals
Material: Hardened mineral glass
Shape: Flat round
Thickness Options: 2.5mm / 3.0mm
Diameter Range: 19mm – 45mm
Condition: Brand new, aftermarket
Replacement for cracked, scratched, or damaged watch crystals
Watch repair – restoring water resistance and dial protection
Custom builds – fitting flat crystals into various case designs
Suitable for watchmakers, repair technicians, and enthusiasts
1. Is this an original brand crystal?
No, this is a generic aftermarket mineral crystal, not from a specific watch brand. It is designed as a compatible and affordable replacement.
2. Which thickness should I choose – 2.5mm or 3.0mm?
Measure your original crystal thickness or the case bezel groove depth. Choose 2.5mm for thinner cases and 3.0mm for cases requiring a thicker, more robust crystal.
3. How do I choose the correct diameter?
Measure the inner diameter of your watch case bezel opening where the crystal sits. If replacing an old crystal, measure its diameter directly. Available sizes range from 19mm to 45mm.
Fast worldwide shipping within 3 business days.
Competitive pricing on Seiko/Hattori calibers.
3,000+ watch movements and parts in stock.
Trusted by watchmakers worldwide.
Personalized sourcing support via [email protected] or WhatsApp +86 18620212114.









