WS-1700H-5AVDF This Casio WS-1700 digital model features a brown resin band with a matching resin case and a multi-window digital display for a rugged utility-focused look. Built with resin glass and 100-meter water resistance, it offers practical durability with an approximately 10-year battery life. Confirmed functions include dual time, tide graph, moon data, 1/100-second stopwatch, countdown timer, three multi-function alarms, hourly time signal, LED backlight, full auto-calendar, and 12/24-hour format, making it a practical choice for outdoor use, marine activities, and everyday wear.