HELLO My name is Kueh Kochi. I share the love and passion of watches by giving free presentations.
Every particular in nature, a leaf, a drop, a crystal, a moment of time is related to the whole, and partakes of the perfection of the whole. - Ralph Waldo Emerson
1) ACRYLIC
• • • • •
Scratch Resistance
Weak
Shatter Resistance
Strong
Cost
Very affordable
Chemical name - Polymethyl Methacrylate (PMMA). Otherwise just known as “clear plastic”. Scratches quite easily. But does not shatter easily. Cheap to manufacture and repair.
2) PLEXIGLAS Scratch Resistance
Weak
Shatter Resistance
Strong
Cost
Very affordable
• Is a brand of acrylic. • Is also a piece of clear plastic.
3) MINERAL GLASS Scratch Resistance
Strong
Shatter Resistance
Decently Good
Cost
Affordable
• Clear glass that has been heat treated. • Resists scratches pretty well. • But shatters under pressure.
4) HARDLEX Scratch Resistance
Strong
Shatter Resistance
Decently Good
Cost
Affordable
• Seiko’s brand of mineral glass. • Is also a type of clear glass.
5) GORILLA GLASS Scratch Resistance
Strong
Shatter Resistance
Moderate
Cost
Affordable
• Commonly used in smartphones and tablets. • Made to resist scratches from fingernails and keys. • Known to shatter when dropped.
6) SAPPHIRE GLASS
• • • •
Scratch Resistance
Very Strong
Shatter Resistance
Decently Good
Cost
Expensive
Touted as one of the best watch crystals. Extremely scratch resistant. Able to take punishments. Not indestructible – shatters under extreme pressure.
7) SAPHLEX
• • • • •
Scratch Resistance
Very Strong
Shatter Resistance
Decently Good
Cost
Expensive
Seiko’s brand of sapphire glass. Is a hybrid between sapphire glass and mineral glass. Has scratch resistance better than the average glass. Costs more than mineral glass, but less than actual sapphire glass. A good balance between sapphire and mineral glass.
THANK YOU For the full guide and more, please visit – https://infinitytimewatch.com/wa tch-crystal-types/