AE-2100WHD-1AV This Casio digital model features a stainless steel band with a silver-tone resin case and bezel, paired with a black multifunction digital display and world map layout for a classic retro travel-inspired look. Built with resin glass and 100-meter water resistance, it offers a durable and practical design for everyday wear. Confirmed functions include Multi Time for four cities, world time across 31 time zones, a 1/100-second stopwatch, 24-hour countdown timer, five alarms, full auto-calendar, and LED backlight, making it a versatile digital watch for daily use and travel.