Calibre No:H804 Signal Reception:Global Radio-Controlled Accuracy:±15 sec / month (Non reception) Case:Stainless Steel / Black Band:Stainless Steel / Black Glass:Sapphire Glass Case Size:44mm Thickness:9.7mm Weight:156g Dial:Dark Blue 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