Driving system	Radio sync solar
Caliber Number	7B24
Case	Titanium case with super-hard coating Case back: titanium and glass
Case coating	Dia shield
Glass	Sapphire crystal
Glass coating	Super-clear coating
Drive duration	Operating for approx. 6 months (when fully charged), power save: approx. 1.5 years
Water resistance	10 bar water resistance
Size	H46mm x W39mm x D8.8mm
The perimeter of bracelet	198mm
Weight	76g
Driving system	Screw down crown Against allergy to metal Overcharge prevention function Quick-start function Power save Full-auto calendar correct to the december 31, 2099 Radio signal receiving function (receives official standard frequencies of Japan, China, and United States) Automatic reception function Manual reception function Reception result display function Time difference adjustment function Automatic hand position alignment function