Start with strong, lightweight carbon fiber, then add rugged style in a handsome black and gray color scheme. Now you're ready for anything. Designed for pros working in tough environments, MASTER of G specialty watches take advantage of carbon fiber's exceptional strength-to-weight ratio to take timekeeping to entirely new heights. The bezel, made from carbon fiber inserts pressed between layers of resin, delivers outstanding toughness and practicality. And you can count on the exceptional functionality everyone expects from a G-SHOCK watch.Take to the skies with the GRAVITYMASTER GR-B200, boasting an innovative design for pilots who challenge the most extreme conditions high in the sky, presented in an all-black color scheme that stands for serious strength.Or take on the harshest on-land terrain with the MUDMASTER GG-B100. Go totally off-road with this new watch in a two-tone, gray-on-black color scheme.
Case size (L x W x H)
63 x 54.1 x 18.3 mmWeight
80 gCase and bezel material
Case / bezel material: CarbonBand
Resin BandConstruction
Shock Resistant
Vibration resistant
Carbon Core Guard structureWater resistance
200-meter water resistancePower supply and battery life
Approx. battery life: 2 years on CR2025Sensor feature
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-activity
AltimeterMeasuring 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 (
