Mineral Glass Shock Resistant 200-meter water resistance Case / bezel material: Resin / Stainless steel Resin Band Electro-luminescent backlight Auto light switch, afterglow Flash alert (LED indicator) 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 28 time zones (48 cities); city code display; daylight saving on/off;