Mineral Glass Shock Resistant 200-meter water resistance Case / bezel material: Resin Resin Band Electro-luminescent backlight Auto light switch, afterglow Flash alert Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time up alarm, countdown timer progress beeper, and stopwatch auto start World time 29 time zones 48 cities, city code display, daylight saving on/off 1/100-second stopwatch