AQ-S820W-3BVDF This Casio analog-digital model features a dark green resin band with a matching resin case and bezel, paired with a black aircraft-instrument-inspired dial and LCD display for a rugged sporty look. Built with resin glass, solar power, and 100-meter water resistance, it offers a practical design for everyday wear and travel. Confirmed functions include world time across 31 time zones, a 1/100-second stopwatch, dual countdown timers with auto-repeat, five daily alarms, hourly time signal, full auto-calendar, power saving, battery level indicator, 12/24-hour format, and amber LED light, making it a versatile everyday watch with strong utility-focused styling.