Digital quartz movement, Chronograph featuring stopwatch with 5-second countdown option, split time readings and elapsed time measurement, 50-lap recall function, Interval training timer programmable up to 10 intervals, Dual time zone display, Toggling between 12 and 24-hour format, Hourly chime and dual alarm, Backlight with afterglow, Positive (dark-on-light) digital numbers, Digital day-date-and-month display, Calendar year to 2099, Molded aqua bezel indicating functional modes embossed with Speedo logo, Clear/aqua silicone case with scratch-resistant coating, Clear/aqua selector buttons, Stainless steel caseback, 100 meters/330 feet water resistant