From G-Shock, the Ana-Digi Resin Strap Watch features:  Round case Buckle closure Analog/Digital movement Mineral glass face LED light 12/24-hour formats World time 5 daily alarms Hourly time signal Hand shift feature Full auto-calendar 1/100th-second stopwatch Countdown timer Button operation tone on/off Shock resistance Strap length approx. 152.4mm - 228.6mm Case size approx. 57.5mm x 53.4mm x 18.4mm Water resistance: 200M Imported.