Driving system	Radio Sync Solar
Caliber Number	1B35
Case	Stainless steel
Glass	Sapphire
Glass coating	Super-clear coating
Lumi Brite	Lumibrite on Hands
Drive duration	Operating for approx. 6 months (when fully charged), power save: approx. 1.5 years
Accuracy	±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C )
Water-resistance	10 bar
Magnetic-reluctance	Equipped
Size	H35mm × W28.1mm × D7.6mm
The perimeter of bracelet	172.0mm
Weight	48g
Others	Automatic reception function Manual reception function Case with diamond(s) Reception result display function Automatic hand position alignment function Power save function Overcharge prevention function Radio signal receiving function (receives official standard radio signals from Japan, China, U.S.A., Germany and U.K.) Date display Full-auto calendar correct to the December 31, 2099 Quick-start function World time function (25 time zones)