Friday, January 30, 2009

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 materials:
Advantages Disadvantages
Acrylic Glass / Plexiglass cheap most likely to be scratched
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 Galss / Plexiglass and rub it gently with a soft dry cloth.

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