HOT ! CASIO G-Shock Master of G DUO, Black Resin GGB100X-1A

• Bio-based resin band

• Bio-based Carbon / Resin

55.4 × 51.3 × 19.4 mm

• Shock Resistant


• Mud Resistant


• Carbon Core Guard structure

• Approx. battery life: 2 years on CR2025

Step count using a 3-axis acceleration sensor: 0 to 999,999 step count display rangePower Saving: Auto sensor sleep state entry after fixed period of non-activityAltimeterMeasuring range: -700 to 10,000 m (-2,300 to 32,800 ft.)Measuring unit: 1 m (5 ft.)Hand indication graph of altitude differentialManual memory measurements (up to 14 records, each including altitude, date, time)Auto log data (High/low altitudes, cumulative ascent and descent)Others: Relative altitude readings (±100 m /±1000 m), selectable measurement interval: 5 seconds or 2 minutes (1 second for first 3 minutes only)*Changeover between meters (m) and feet (ft)BarometerMeasuring range: 260 to 1,100 hPa (7.65 to 32.45 inHg)Measuring unit: 1 hPa (0.05 inHg)Hand indication of pressure differential (±10 hPa)Atmospheric pressure tendency graph (last 20 hours or last 56 hours)Barometric pressure tendency information alarm (beep and arrow indicates significant changes in pressure)The atmospheric pressure tendency graph can show the last 20 minutes or last 56 minutes of measurements.The hand indication of pressure differential shows values in units of ±0.1 hPa.*Changeover between hPa and inHgDigital compassMeasures and displays direction as one of 16 pointsMeasuring range: 0 to 359°Measuring unit: 1°60 seconds continuous measurementHand indication of northMagnetic declination correctionDirection calibration (2-point calibration, figure eight calibration, auto calibration)ThermometerMeasuring range: -10 to 60℃ (14 to 140℉)Measuring unit: 0.1℃ (0.2℉)*Changeover between Celsius (℃) and Fahrenheit (℉)

• Bluetooth: Connects to a smartphone and automatically adjusts the time

• 200-meter water resistance

93 g

• Auto time adjustment


• Easy watch setting


• Approximately 300 world time cities


• Life log data


• Mission log


• Location Indicator


• Location Memory


• Mode/Display switching customisation


• Auto altitude correction


• Phone finder

CASIO WATCHES

• Mobile link (Wireless linking using Bluetooth®)