Pros:
+ High Quality
+ No air bubbles
+ Difficult to scratch
+ Easy to replace
+ Covers the whole active part of the screen (if you center it well)
Cons:
- More reflective than the watch screen, making it harder to see at sunlight
- It is not as wide as the whole screen, leaving a couple of mm between the foil and the end of the plastic screen below it, and it collects dust there
- The ends of the foil reflect light, so it is easier to see you have a screen protector
- Difficult to apply correctly at first time, see my tips below
Bottom line:
* It offers good protection, having the usual negative of having protection
Tips to apply it:
* Wash the watch very well, Wash your hands too (do not need oil)
* Dry it with a cloth, That does not leave particles
* Use a desk lamp, and check the screen reflections. Look for dust particles, or parts, are indeed not clean
* Check for correct placement BEFORE peeling off the protector
* Peel of 50% of the protective film, and leaving a couple of mm from the edge, trying to center it, stick it carefully. If You Fail to center it well, remove it and start again, try not to touch the bottom of the film
* When happy with centering it, remove all of the protective film and stick it well with nails or plastic, removing the air from the edges
