They're using it on the watch. >On most Apple Watch models, the display is laminated to a machined and polished single crystal of sapphire. http://www.apple.c

They're using it on the watch. >On most Apple Watch models, the display is laminated to a machined and polished single crystal of sapphire. http://www.apple.com/watch/technology/ http://www.apple.com/watch/technology/