Casio G-Shock x AW-591 Series ft. Basic Men Sports Round 200m Water Resistant Watch AW-591-2A AW591 AW-591 Experience the ultimate fusion of style and durability with G-Shock analog-digital combination model, featuring a unique shock-proof structure, casual metal bezel, and button arrangement designed to absorb impacts, making it the perfect accessory for the modern adventurer. Module / Movement 4778 (quartz) Battery Life / Accuracy Approximately 3 years (+/-15 seconds per month) Crystal Mineral crystal Light LED light (auto light switch, selectable illumination duration, afterglow) Case / Band Material Resin / aluminum case with resin band Water Resistance 200m / 20 bar Case Size Thickness: 14.9 mm Diameter: 46.4 mm Length: 52.0 mm Lug width: Integrated Other Specifications Casio G-Shock x AW-591 Series ft. Basic Shock resistant World time (29 time zones, daylight saving on/off) 1/100-second stopwatch (up to 60 minutes, elapsed time, split time) 1-second countdown timer (up to 60 minutes, auto-repeat, progress beeper) 5 daily alarms (with 1 snooze alarm) Hourly time signal Full auto-calendar (to year 2039) 12/24-hour format Regular timekeeping (analog-digital display)