GOHUOS Men's Sports Dual Time Multi Function Digital LED Week Alarm Quartz Military Wrist Watch Come with Colorful Led back light, Alarm, Chronograph, Date, Week. Japanese Quartz and electronic movement,time accurate & precise,multiple time zone. EL backlight lets you know the time clearly in darkness. WATERPROOF FUNCTION: 164 ft waterproof (50 M) - 5ATM(not for swiming, diving,etc). NOTE: please DO NOT press any buttons in the water. Scratchless glass, shock resistant, Solid stainless steel back cover.