GST-S310BDD-1A This G-STEEL model features a black resin band with a black resin and stainless steel case, paired with a black analog-digital dial with rose gold-tone accents for a refined rugged look. Built with shock-resistant construction, Tough Solar charging, mineral glass, and 200-meter water resistance, it is designed for dependable daily wear and active use. Confirmed functions include world time, a 1/100-second stopwatch, countdown timer, five daily alarms, hand shift feature, power saving, full auto-calendar, and double LED light, making it a practical choice for users who want a tough solar-powered G-SHOCK with distinctive everyday styling.