Driving system	Radio sync solar
Caliber Number	8B63
Glass	Sapphire crystal
Glass coating	Super-clear coating
Lumi Brite	Hands and indexes
Drive duration	Operating for approx. 9 months (when fully charged), power save: approx. 2 years
Accuracy	Accuracy: Except automatic time reception ±15 seconds per month (average)
Water resistance	10 bar water resistance
Magnetic reluctance	Magnetic resistance
Size	H48.3mm x W43.2mm x D11.4mm
The perimeter of bracelet	198mm
Weight	96g
Driving system	Screw down crown Against allergy to nickel Overcharge prevention function Quick-start function Power save Full-auto calendar correct to the december 31, 2099 World time function (25 time zones) Dual-time Automatic reception function Manual reception function Reception result display function Automatic hand position alignment function