GA-2100LXB-1A9DR This G-SHOCK 2100 Series model features a matte black bio-based resin band with a carbon and bio-based resin case, paired with a deep matte black analog-digital dial and gold-tone hour markers for a refined minimalist look. Built with shock-resistant construction, Carbon Core Guard structure, mineral glass, Neobrite, and 200-meter water resistance, it is designed for dependable everyday wear with a slim modern profile. Confirmed functions include world time, a 1/100-second stopwatch, countdown timer, five daily alarms, hourly time signal, hand shift feature, full auto-calendar, double LED light, and 12/24-hour format, making it a practical choice for users who want a clean black G-SHOCK with subtle gold-accented styling.