Casio G-shock MudMaster GWG-1000-1ADR GShock GWG-1000-1A Original

Vibration resistant Neobrite Sapphire Crystal Shock Resistant Screw Lock Crown Mud Resistant 200-meter water resistance Case / bezel material: Stainless steel / Resin Resin Band Double LED light LED light for the face (Full auto LED light, selectable illumination duration, afterglow) LED backlight for the digital display (Full auto LED light, selectable illumination duration, afterglow) Solar powered 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 resultsTime Calibration Signals Station name: DCF77 (Mainflingen, Germany) Frequency: 77.5 kHz Station name: MSF (Anthorn, England) Frequency: 60.0 kHz Station name: WWVB (Fort Collins, United States) Frequency: 60.0 kHz Station name: JJY (Fukushima, Fukuoka/Saga, Japan) Frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/ Saga) Station name: BPC (Shangqiu City, Henan Province, China) Frequency: 68.5 kHzThe auto hand home position correctionDigital 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 o