Freestyle Tide 4.0 Long lasting Japanese Digital-Quartz movement Time, day and date, 10 years tide, sunrise and sunset data for 150 beaches, 1/100s stopwatch, dual time, 2 daily and weekly alarms, timer with countdown-stop, up or repeat, het timer, hourly chime, hydro pushers Silicone strap with adjustable buckle Night vision backlight Water resistant to 660 feet (200 M): suitable for recreational scuba diving