The Casio GW-9500-3ER is a tough solar-powered G-Shock Mudman with shock and mud resistance. It features a triple sensor with compass, altimeter/barometer, and thermometer, plus radio-controlled timekeeping. With 200 m water resistance, world time, alarms, and Super Illuminator LED light, it’s built for outdoor adventure.SpecificationsCase size : 56.7 × 52.7 × 14.8 mmWeight : 81 gCase and bezel material : Bio-based resinBand : Bio-based resin bandConstruction : Shock Resistant, Mud Resistant, Carbon Core Guard structureWater resistance : 200-metre water resistanceTime adjustment : Radio-controlled Watch; Multi band 6Power supply and battery life : Tough Solar (Solar powered)Glass : Mineral GlassCompatible band size : 145 to 215 mmWorld time : 31 time zones (48 cities + Coordinated Universal Time), daylight saving on/offSunrise/sunset display : Sunrise, sunset time display, Sunrise time and sunset time for specific dateAlarm/hourly time signal : 5 daily alarms (with 1 snooze alarm), Hourly time signalLight : LED backlight (Super Illuminator), Full auto LED light, selectable illumination duration (1.5 seconds or 3 seconds), afterglowLight colour : LED: WhiteCalendar : Full auto-calendar (to year 2099)Mute feature : Button operation tone on/offEnergy saving feature : Power Saving (Turns off the display when the watch is left in the dark)Battery display/alert : Battery level indicatorAccuracy : ±15 seconds per month (with no signal calibration)