WatchProSite|Market|Digest

Horological Meandering

Disadvantage: Easy to wear off

 

Advantage: Easy to read.
Disadvantage: Easy to wear off.

Serious problem of AR coating is that all of them are fluorine-coated.
Thus durability of these coating is very and still poor.


Two or three years before, I`m not sure exactly, CITIZEN developed TOUGH AR coating.
The Result is marvelous, but they still keep secret about coating process.

If I can say my personal opinion, One surface coating is the best considering durability.
It`s not difficult to distinguish whether coated both side or one side.
If colour of Glass seems yellow or blue, it may have one surface coating.


Regards,

HIROTA, Masayuki

  login to reply