1. Measure watch crystal only (milimeter)
2. Choosing the right Watch Crystal Protector. Its better to reduce 0.5mm from the actual size. Example : Choosing 27.5mm for the watch crystal size 28mm
3. Clean the watch crystal.
4. Remove the Watch Crystal Protector from backing, and install to the watch crystall.
TIPS :(Put a drop of water on the watch crystal, it become more manageable and smooth when install the Watch Crystal Protector. Wait until it dry, the Watch Crystal Protector is Clear and completely invisible to the naked eye !!)
NOTE :This product can be use on back case to prevent direct contact with Skin (hand). (avoid sensitive hand)
STEP BY STEP (With photo)
2.Cleaning
3. Drop Water
3. Peel Watch Crystal Protector from backing
4. Install it on watch crystal
5. Completed