The GA-2100RRB-4ADR brings G-SHOCK's legendary durability to a striking red design that commands attention. This octagonal-bezel model features a vapor deposition red finish that unifies the case, band, and dial into a cohesive, bold aesthetic. The inverted LCD display and black accents create dramatic contrast against the vibrant red, emphasizing the watch's strength and intensity. Built on the proven 2100 platform, it delivers shock resistance, water resistance, and reliable digital timekeeping in a streamlined silhouette that appeals to both collectors and everyday wearers seeking authentic G-SHOCK heritage with contemporary style.