This Casio Watch with Ana-Digi Display offers high style as well as accurate quartz timekeeping. The watch is 100m water resistant and features a backlit display, world time, a stopwatch, 4 daily alarms, hourly time signal and auto calendar. The easy to read watch is paired with a black resin band, making it perfect for sports. Full LCD Ana-Digi Display 100 Meter Water Resistant Auto electro-luminescent backlight with afterglow World time 29 time zones (27 cities) Daylight saving on/off 1/100-second stopwatch Measuring capacity: 59'59.99" Measuring modes: Elapsed time, split time 1st-2nd place times Countdown timer Input range:1 minute to 60 minutes Unit:1 second 4 daily alarms & 1 snooze alarm Hourly time signal Auto-calendar (pre-programmed until the year 2039) 12/24-hour format Specifications: Accuracy:30 seconds per month Approx. battery life: 3 years on CR2016 (Weight:2)