AE-1600H-1AV This Casio digital model features a black resin band with a resin case and a large digital display for a clean sporty look. Built with resin glass and 100-meter water resistance, it is designed for dependable daily wear and active use. Confirmed functions include world time, stopwatch, countdown timer, alarms, LED light, full auto-calendar, and regular timekeeping, making it a practical choice for users who want a large-display digital sports watch with everyday utility.