Casio G-Shock x GA-2000 Series ft. Urban Outdoors Men Sports Round 200m Water Resistant Watch GA-2000HD-8A GA2000HD GA2000 GA-2000 GA-2000HD Casio G-Shock GA-2000 series, the first to debut the innovative Carbon Core Guard structure with a carbon fiber‑reinforced resin case for a lightweight yet ultra‑durable build. Its multidimensional dial, bold large front button, and guard less button design create a powerful, tough aesthetic. Finished with a 3D index, high‑contrast analog hands, and a mode‑indicating sub dial. Module / Movement 5590 (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: 14.1 mm Diameter: 47.0 mm Length: 51.2 mm Lug width: 24.0 mm Other Specifications Casio G-Shock x GA-2000 Series ft. Urban Outdoors Shock resistant Carbon core guard structure World time (31 time zones, daylight saving on/off, home/world time city swapping) 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 digital display contents) Regular timekeeping (analog-digital display)