GG-B100X-1A9DR This G-SHOCK MASTER OF G MUDMASTER model features a black bio-based resin band with a bio-based carbon and resin case and bezel, paired with a rugged black analog-digital dial highlighted by bold yellow accents. Built with shock-resistant, mud-resistant Carbon Core Guard construction, spherical mineral glass, Neobrite, and 200-meter water resistance, it is designed for demanding outdoor and active use. Confirmed functions include Bluetooth smartphone connectivity, digital compass, altimeter, barometer, thermometer, step counter, sunrise and sunset display, world time across 38 time zones, a 1/100-second stopwatch, 24-hour countdown timer, five daily alarms, phone finder, hand shift feature, full auto-calendar, and double Super Illuminator LED lighting, making it a highly capable choice for outdoor, travel, and adventure use.