Calibre No:H800 Signal Reception:Global Radio-Controlled Accuracy:±15 sec / month (Non reception) Case:Super TitaniumTM Band:Super TitaniumTM Glass:Sapphire Glass Case Size:44mm Thickness:11mm Weight:91g Dial:Black Water Resistant:100M Movement:Eco-Drive Max run time from full charge:Approx. 6 months in normal use / Approx. 10 months in power save mode Main Features:24hrs, Date and Day Display World Time in 26 cities Chronograph Summer Time (ON/OFF) Perpetual Calendar Power saving function