Casio G-Shock GD-400MB-1D

Casio G-Shock GD-400MB-1DSpecificationsCase / bezel material: ResinResin BandMineral GlassShock Resistant200-meter water resistanceLED backlight (Super Illuminator)Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglowFlash alertFlashes with buzzer that sounds for alarms, countdown timer (time up), hourly time signalMulti Time (4 different cities)World time31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping1/100-second stopwatchMeasuring capacity: 23:59'59.99''Measuring modes: Elapsed time, split time, 1st-2nd place timesCountdown timerMeasuring unit: 1/10 secondCountdown range: 24 hoursCountdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)5 daily alarms or one-time alarmsHourly time signalFull auto-calendar (to year 2099)12/24-hour formatButton operation tone on/offRegular timekeeping: Hour, minute, second, pm, month, date, dayAccuracy: 15 seconds per monthApprox. battery life: 3 years on CR2016