G-Shock&';s most popular large case analog/digital series introduces a matte black watch, the GA100MB-1A. The face and band are matte black with green accents which highlight the toughness and coolness of G-Shock.Case size (Lx Wx H)55 x 51.2 x 16.9 mmWeight72 gCase and bezel materialResinBandResin BandConstructionMagnetic ResistantShock ResistantWater resistance200-meter water resistancePower supply and battery lifeApprox. battery life: 2 years on CR1220GlassMineral GlassWorld timeWorld time 29 time zones (48 cities + coordinated universal time), daylight saving on/off, home city/world time city swappingStopwatch1/1000-second stopwatch Measuring capacity: 99:59&';59.999&';&'; Measuring modes: Elapsed time, lap time, split time Others: Speed (0 to 1998 units/hour), Distance input (0.0 to 99.9) Mach indicator (speed exceeding 1225 units/hour)TimerCountdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Other: Auto-repeatAlarm/hourly time signal5 daily alarms (with 1 snooze alarm)Hourly time signalLightLED light Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglowLight colorLED:AmberCalendarFull auto-calendar (to year 2099)AccuracyAccuracy: 15 seconds per monthOther features12/24-hour formatRegular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed) Digital: Hour, minute, second, pm, month, date, day
