Casio G-Shock GA2100-1A1 Black w/Box Case Size: 48.5mm L x 45.4mm W x 11.8mm H Case and Bezel Material: Carbon/ Resin Construction: Shock Resistant, Carbon Core Guard Structure Band: Resin Band Water Resistance: 200m Glass: Mineral Features: World time, 31 time zones (48 cities + Coordinated Universal Time), daylight savings on/off. 1/100-second stopwatch. Countdown timer. Alarm - 5 daily alarms and hourly time signal. Double LED light, one for the face and one for backlight, LED color is white. Full auto-calendar (to year 2099). Mute feature - button operation tone on/off. 12/24-hour format. Includes a new battery, tin box, no papers, and factory strap. Gently loved.