Calibre No:H804 Signal Reception:Global Radio-Controlled Accuracy:±15 sec / month (Non reception) Case:Super TitaniumTM / Black Band:Super TitaniumTM / Black Glass:Sapphire Glass (Non Reflective Coating) Case Size:44.3mm Thickness:12.1mm Weight:103g Dial:Dark Blue Water Resistant:200M 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, Aviation Scale Summer Time (ON/OFF) Perpetual Calendar Power saving function