50 M Water Resistance Casio "Illuminator" LED backlight ensures easy reading during day or night 1/100-Second Stopwatch (Measuring Capacity: 59'59.99") Daily Alarm Hourly Time Signal Regular Timekeeping: (Hour, Minute, Second, PM, Date, Day) Auto-calendar out until the year 2099, the watch does not have to be adjusted for the number days in month even leap year until 2099 Resin Glass