From G-Shock, the GGB100-1B Ana-Digi Shock Resistant Watch features:  Master of G Collection Black resin case Black dial Black resin strap Buckle closure Analog-digital movement Mineral glass Carbon care guard structure Mud/shock resistant 2-year battery with no charge Quad sensor, compass, thermo, alti/baro Step tracker Full auto LED 1/100 stopwatch (24 hr) 5 alarms Countdown timer Full auto-calendar World time (39TZ / 39 cities + UTC)  Case size approx. 55.4mm x 53.1mm x 19.3mm Water Resistance: 200 meters Imported.