Slim, bold, and built for toughness—the CASIO G-SHOCK GA-2100-1ADR fuses analog-digital function with a sleek black octagonal design, inspired by the original DW-5000C. Featuring a Carbon Core Guard structure, this ultra-durable watch is only 11.8mm thick, combining lightweight comfort with rugged strength. Equipped with 200-meter water resistance, dual LED lights, stopwatch, timer, world time, and 5 daily alarms, it’s made for everyday reliability and style.