Casio G-Shock x GA-2100 Series ft. Rainbow Deposition Men Casual Sports Hexagon 200m Water Resistant Watch GA-2100SR-1A GA2100SR GA2100 GA-2100 GA-2100SR Experience the mesmerizing beauty of a midsummer sky on your wrist, as the latest G-SHOCK innovation captures the essence of iridescent color. Every timepiece is a unique masterpiece, featuring a one-of-a-kind crystal finish that shimmers with radiance, making each moment unforgettable. 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 / resin case with resin band Water Resistance 200m / 20 bar Case Size Thickness: 11.8 mm Diameter: 45.4 mm Length: 48.5 mm Other Specifications Casio G-Shock x GA-2100 Series ft. Rainbow Deposition 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)