Tough Solar / Solar charge system ResinnCase material Resin Band material Inorganic glass Shock Resistant 20 bar waterproof Multiband 6 World Time 48 cities EL backlight (Full auto EL light , Afterglow function) Stop watch (1/100 second measurement, 24 hours meter , Split) Countdown timer (Setting range: 1 minute to 24 hours , Measuring unit: 1 second) 5 multi-alarm (Snooze function) Hourly time signal Battery indicator Power saving function Fully auto-calendar 12/24 Hour display switching Button Operation Tone on/off 46.7 mm x 43.2 mm x 12.7 mm 51.7 g