Introducing the UTILITY WAVY MARBLE. This timepiece combines the toughness that has been very much a part of the G-SHOCK since 1983 with designs and hues that bridge the gap between urban and outdoor, everyday and extraordinary, and a wide range of fashions.Mixed color resin molding technology is used to create designs that recall geological formations expressing the majesty of the planet Earth.The GA-2000WM has a carbon core guard structure and a large front button, with a black bezel for a subdued look. Case / bezel material: Carbon / Resin Resin Band Mineral Glass Neobrite Shock Resistant Carbon Core Guard structure 200-meter water resistance Double LED lightLED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) World time31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping 1/100-second stopwatchMeasuring capacity:00'00''00~59'59''99 (for the first 60 minutes)1:00'00~23:59'59 (after 60 minutes)Measuring unit:1/100 second (for the first 60 minutes)1 second (after 60 minutes)Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown timerMeasuring unit: 1 secondCountdown range: 24 hoursCountdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) 5 daily alarms Hourly time signal Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.) Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeepingAnalog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (mode)Digital: Hour, minute, second, pm, month, date, day Accuracy: ±15 seconds per month Approx. battery life: 3 years on SR726W × 2 Size of case : 51.2×48.7×14.1mm Total weight : 64g