subject: Tag-heuer for people come from all the world [print this page] From the spherical lens to view and high efficiency aspheric 77% elegant double-sided aspheric NULLX EP can withstand the FDA standard from 16 grams of small ball impact resistance test CR - 39 materials to elegant latest materials can withstand 1000 grams of PHOENIX materials; the ball hit From the multilayer anti reflex plated film coating through rate of 98.5% 99% of hao accor clear through rate and 99.5% ultra clear coating deposition, Have waterproof function from the roof waterproof membrane that raising AQ with oil, prevent scratch of super-smooth VP top membrane, From PuSu discoloration lens to super fast discoloration and SG5 SB5 lenses, Are elegant outstanding technology.