Casio G-Shock x GM-2100 Mini Series ft. Greenie Men Women Casual Sports Hexagon 200m Water Resistant Watch GM-S2100-3A GMS2100 GM-S2100 Experience the perfect blend of style and strength with a mid-sized timepiece that redefines the iconic G-SHOCK design. Boasting a sleek stainless steel construction, rounded hairline finish, and bold ion-plated dial, this watch exudes confidence and sophistication. 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 Resin / stainless steel case with bio-based resin band Water Resistance 200m / 20 bar Case Size Thickness: 11.0 mm Diameter: 40.4 mm Length: 45.9 mm Other Specifications Casio G-Shock x GM-2100 Mini Series ft. Greenie Shock resistant World time (31 time zones) 1/100-second stopwatch (elapsed time, split time) Countdown timer (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 Regular timekeeping (analog-digital display)