Casio DW6900-1V G-Shock Illuminator Watch

Shock ResistantAlarm ChronographMineral CrystalIlluminator BacklightShock resistant (G-Shock)Electro-luminescent backlight1/100 second stopwatchMeasuring capacity: 23 hours 59 minutesMeasuring mode: net time – split time – 1st-2nd place timesCountdown alarm input range: 1 minute to 24 hoursMeasuring unit: 1 secondAuto-repeat functionDaily alarmHourly time signalRegular timekeeping: hour – minute – second – am/pm – month – date – dayAuto-calendar (pre-programmed until the year 2039)12/24-hour formatsAccuracy: ± 15 seconds per monthBattery: Approx. 2 years on CR2016