GM-2100BM-1ADR This G-SHOCK G-STEEL 2100 Series model features a black bio-based resin band with a resin and stainless steel case, paired with a textured stainless steel bezel finished with black ion plating and a monochromatic analog-digital dial accented by subtle red details. Built with shock-resistant construction, mineral glass, Neobrite, and 200-meter water resistance, it combines rugged G-SHOCK durability with a refined industrial metal design. Confirmed functions include world time across 31 time zones, a 1/100-second stopwatch, 24-hour countdown timer, five daily alarms, hand shift feature, full auto-calendar, and double Super Illuminator LED lighting, making it a practical everyday watch with distinctive modern styling.