Casio G-Shock x 2100 Series ft. Streamlined aka Camouflaged Men Sports Hexagon 200m Water Resistant Watch GA-2100CM-8A GA2100CM GA2100 GA-2100 GA-2100CM Discover the G-Shock GA-2100CM series, featuring an original camouflage pattern with metallic printing that cleverly conceals the iconic G-mark. Built with Carbon Core Guard structure and bio-based resin, these hybrid analog-digital watches offer 200m water resistance, world time, 5 daily alarms, and double LED illumination for urban outdoor style. Module / Movement 5611 (quartz) Battery Life / Accuracy Approximately 3 years (+/-15 seconds per month) Crystal Mineral crystal Light Double LED light (super illuminator, selectable illumination duration, afterglow) Case / Band Material Carbon / bio-based resin case with bio-based resin band Water Resistance 200m / 20 bar Case Size Thickness: 11.8 mm Diameter: 45.4 mm Length: 48.5 mm Lug width: Integrated Other Specifications Casio G-Shock x 2100 Series ft. Streamlined aka Camouflaged Shock resistant Carbon core guard structure World time (31 time zones, daylight saving on/off) 1/100-second stopwatch (up to 24 hours, elapsed time, split time) 1-second countdown timer (up to 24 hours) 5 daily alarms Hourly time signal Full auto-calendar (to year 2099) Button operation tone on/off 12/24-hour format Hand shift feature (hands move out of the way to provide an unobstructed view of the digital display content) Regular timekeeping (analog-digital display)