Casio G-Shock GG-B100X-1A Mudmaster Bluetooth Watch

A Master of G Mudmaster built for rough outdoor use, with a carbon fibre-reinforced case that also uses bio-based resin. A built-in compass, altimeter/barometer, thermometer and step counter are backed by Bluetooth smartphone link for time sync and mission logging.

• Case material: Bio-based carbon/resin, carbon fibre-reinforced
• Case size: 55.4 x 51.3 x 19.4 mm | Weight: 93 g
• Water resistance: 200 m (20 bar)
• Movement: Quartz with Bluetooth time sync, approx. 2-year battery (CR2025)
• Band: Bio-based resin
• Functions: Digital compass, altimeter (-700 to 10,000 m), barometer, thermometer, step counter, world time (38 zones), stopwatch, timer, 5 alarms