GA-2100HD-8ADR This G-SHOCK 2100 Series model features a matte gray bio-based resin band with a carbon and bio-based resin case and bezel, paired with a white analog-digital dial and dark inverted LCD for a clean monochrome look. Built with shock-resistant construction, Carbon Core Guard structure, mineral glass, Neobrite, and 200-meter water resistance, it also incorporates phosphorescent resin dial components that glow green in darkness. 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 G-SHOCK with distinctive glow-in-the-dark styling.