Take on the toughest terrain with the G-SHOCK MUDMASTER, designed to handle the harshest, roughest places on earth. - The GWG-2000CR dial, bezel, and band feature a bold cracked pattern inspired by the demanding ground it helps you cover. Ion plated in black, then laser engraved and subjected to an aging process, the bezel evokes mud-crack formations. The cracked pattern on the band is achieved with all-over printing and heat treatment to create a textured surface with extra depth and dimension. This shock-resistant watch is constructed to withstand all the mud and sand your adventures can bring while also delivering an even more comfortable fit. The compact design is made possible by the forged carbon bezel, Carbon Core Guard case structure, and mud-resist buttons combined with stainless steel pipes and silicone buffers. Finely powdered carbon fiber is kneaded into resin, then heat-pressed to mold a MUDMASTER bezel that is more complex and intricate, yet even stronger than before. - Triple sensor measurements keep you updated with direction, altitude, barometric pressure, and temperature readings. Large numbered indexes, extra-thick arrow-shaped hands, double LED lights, and sapphire crystal ensure high visibility. Case size (L× W× H): 61.2 × 54.4 × 16.1 mm Weight: 106 g Case and bezel material: Resin / Stainless steel Band: Resin Band Construction: Shock Resistant, Mud Resistant, Carbon Core Guard structure Water resistance: 200-meter water resistance Time adjustment: Radio-controlled Watch; Multi band 6 Power supply and battery life: Tough Solar (Solar powered) Sensor feature: Digital compass - Measures and displays direction as one of 16 points - Measuring range: 0 to 359°Measuring unit: 1°60 seconds continuous measurement - Hand indication of north - Bidirectional calibration - Magnetic declination correction Altimeter - Measuring range: -700 to 10,000 m ( -2,300 to 32,800 ft.) Measuring unit: 1 m (5 ft.) Hand indication of altitude differential - Manual memory measurements (up to 30 records, each including altitude, date, time)Auto log data (High/low altitudes, cumulative ascent and descent)Others: Relative altitude readings (±100m /±1000m),Selectable measurement interval: 5 seconds or 2 minutes*1 second for first 3 minutes only*Changeover between meters (m) and feet (ft)Barometer - Display range: 260 to 1,100 h - Pa (7.65 to 32.45 in - Hg)Display unit: 1 h - Pa (0.05 in - Hg)Hand indication of pressure differential - Atmospheric pressure tendency graph - Barometric pressure tendency information alarm (beep and arrow indicates significant changes in pressure)*Changeover between h - Pa and inHgThermometerDisplay range: -10 to 60°C (14 to 140°F)Display unit: 0.1°C (0.2°F)*Changeover between Celsius (°C) and Fahrenheit (°F) Glass: Sapphire crystal with anti-reflective coating Crown: Screw Lock Crown Surface treatment: Black ion plated bezel Compatible band size: 145 to 215 mm Other: Neobrite World time: 29 time zones (29 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping Stopwatch: 1/100-second stopwatch - Measuring capacity: 23:59'59.99''Measuring modes: Elapsed time, split time, 1st-2nd place times Timer: Countdown timer - Measuring unit: 1 minute - Countdown range: 60 minutes - Countdown start time setting range: 1 second to 60 minutes (1-minute increments) Alarm/hourly time signal: 5 daily alarms - Hourly time signal Light: Double LED light - LED light for the face (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)LED backlight for the digital display (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) Light color: LED:White Calendar: Full auto-calendar (to year 2099) Mute feature: Button operation tone on/off Hand home position correction feature: The auto hand home position correction Energy saving feature: Power Saving (display goes blank and hands stop to save power when the watch is left in the dark) Battery display/alert: Battery level indicator Run time: Approx. battery operating time:6 months on rechargeable battery (operation period with normal use without exposure to light after charge)25 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Accuracy: ±15 seconds per month (with no signal calibration) Other features: Hand shift feature (manual or auto (during altitude, barometric pressure, and temperature measurement))12/24-hour format - Regular timekeeping:Analog: 3 hands (hour, minute (hand moves every 10 seconds), second)Digital: Hour, minute, second, am/pm, month, date, day Time adjustment details: Time calibration signal reception - Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful)*5 times a day for the Chinese calibration signal - Manual receive - The latest signal reception results - Time Calibration Signals - Station name: DCF77 (Mainflingen, Germany)Frequency: 77.5 kHzStation name: MSF