100m water-resistance Countdown timer 5 alarms Hourly time signal 1/100 second stopwatch Dual time Full auto-calendar 12/24 hour formats 10 year battery life LED backlight (super illuminator) with afterglow This classic sport watch features 5 alarms, water-resistance to 100 meters, stopwatch, countdown timer, LED backlight, dual time, and a 10-year battery life.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }