Casio G-SHOCK Casual Men Watch – Blue | G-7900-2DRCasio G-SHOCK Casual Men Watch – Blue | G-7900-2DR belongs to the G-7900 Series, designed for surfers, anglers, outdoor enthusiasts, and anyone who needs dependable performance in harsh environments. Its vibrant blue resin case and matching resin band provide a sporty appearance while maintaining the legendary durability expected from every G-SHOCK.The watch measures 52.4 50 17.7 mm and weighs 68.2 g. Shock Resistant construction, Mineral Glass, low-temperature resistance down to -20C, and 200-meter water resistance provide reliable protection for water sports, outdoor adventures, and everyday wear.Useful functions include World Time covering 29 time zones (48 cities), Moon Data, Tide Graph, dual 1/100-second stopwatches, a 24-hour countdown timer with auto-repeat, five multifunction alarms with one snooze alarm, hourly time signal, Flash Alert, and button operation tone on/off. The electro-luminescent backlight provides blue-green illumination with selectable duration and afterglow for excellent visibility in dark environments.Powered by a CR2025 battery, the G-7900-2DR offers approximately two years of battery life. Its marine functions, low-temperature resistance, oversized controls, and rugged G-SHOCK construction make it an excellent choice for outdoor enthusiasts and extreme sports users.G-7900 Series designBlue resin case and bandShock Resistant constructionLow-temperature resistance down to -20C200-meter water resistanceMineral GlassMoon DataTide GraphWorld Time (29 time zones / 48 cities)Dual 1/100-second stopwatches24-hour countdown timerAuto-repeat timerFive multifunction alarmsFlash Alert functionElectro-luminescent backlightApproximately two-year battery lifeSpecificationDetailsBrandCasioSeriesG-SHOCKModelG-7900-2DRBase ModelG-7900-2CollectionG-7900 SeriesColorBlueProduct TypeMen’s Digital WatchDisplayDigitalMovementQuartzCase & Bezel MaterialResinConstructionShock ResistantEnvironmental ResistanceLow Temperature Resistant (-20C)Band MaterialResinGlassMineral GlassWater Resistance200 m / 20 BarBatteryCR2025Battery LifeApprox. 2 YearsCase Size52.4 50 17.7 mmWeight68.2 gWorld Time29 Time Zones (48 Cities)Moon DataMoon Age and Moon Phase GraphTide GraphYesStopwatchDual 1/100-Second StopwatchesStopwatch Capacity999 Hours, 59 Minutes and 59.99 SecondsStopwatch ModesElapsed Time, Split Time and First/Second Place TimesCountdown TimerUp to 24 HoursTimer Setting Range1 Minute to 24 HoursTimer Setting Increments1 Minute and 1 HourAuto-Repeat TimerYesProgress BeeperYesAlarm5 Multifunction Alarms (1 Snooze Alarm)Hourly Time SignalYesFlash AlertYesFlash Alert ActivationAlarm, Hourly Signal, Countdown Timer, Progress Beeper and Stopwatch Auto StartLightElectro-Luminescent Backlight with AfterglowLight Duration3 Seconds or 5 Seconds (Selectable)Light ColorBlue-GreenCalendarFull Auto Calendar to 2099Mute FeatureButton Operation Tone On/OffAccuracy15 Seconds per MonthTime Format12/24-Hour