Horology Zone
English Version Traditional Chinese Version Simplified  Chinese Version
Watch Repair Tools Shop
Basic Knowledge
Other Knowledge
star Mechanical Clock Model
star DIY
Watch Winder
star Alarm Timer
star Anti-magnetic watch
star Atomic Watch
star Balance Wheel
star Bluing
star Casio Waveceptor
star C.O.S.C.
star Choosing Watch
star ETA
star Geneva Seal
star Glow In The Dark
star Marine Clock
star Moon Phase
star Quartz Caliber
star Seiko Spring Drive
star Shock Resistance
star Sundial
star Stainless Steel
316L, 904L
star Tachymeter
star Time Lock
star Time Zone
star Tourbillon
star Watch Adjust
star Water Proof
star Watch Crystal
star Horology A ~ Z
Royalty Free Images
Contact Us
Watch Crystal
Watch crystal is a transparent cover that protects the watch face.
Material :
Acrylic Glass / Plexiglass
Glass /Mineral Glass
Synthetic Sapphire
Advantages and Disadvantages of each material :
Acrylic Glass / Plexiglass
most likely to be scratched
least likely to shatter
Glass /Mineral Glass
scratch - resistant
more likely to break
Synthetic Sapphire
most scratch resistant
most expensive
Synthetic Sapphire

One of the hardest substances on earth. It measures 9 on the Mohs scale - Diamond measures 10, the highest rating.

However, if struck sharply and from the correct direction, sapphire will shatter.

Remove the scratch on Acrylic Galss / Plexiglass - Caution ! No guarantee ! Try on your own risks !

1. Put some toothpaste on the Acrylic Galss / Plexiglass and rub it gently with a soft damp cloth.

2. Put some Brasso on Acrylic Glass / Plexiglass and rub it gently with a soft dry cloth.

Brasso Caution ! No guarantee ! Try on your own risks !

Your help and support is deeply appreciated. Please add my link to your web-site

Banner Link
Horology Zone <a href="http://horologyzone.com"><img src="http://horologyzone.com/image/badge/bagde2.gif" width="116" height="49" border="0" alt="Free Watch School"></a>
Text Link
Free Watch School <a href="http://horologyzone.com">Free Watch School</a>