Casio G-Shock GMD-S6900MC-4D

Casio G-Shock GMD-S6900MC-4DCase / bezel material: ResinResin BandShock ResistantMineral Glass200-meter water resistanceElectro-luminescent backlightSelectable illumination duration (1.5 seconds or 3 seconds), afterglowFlash alertFlashes with buzzer that sounds for alarms, hourly time signal, countdown timer progress beeper, and stopwatch auto startWorld time29 time zones (48 cities), daylight saving on/off1/100-second stopwatchMeasuring capacity: 23:59'59.99''Measuring modes: Elapsed time, split time, 1st-2nd place timesOther: 5-second countdown auto startCountdown timerMeasuring unit: 1 secondCountdown range: 24 hoursCountdown start time setting range: 1 minute to 24 hours (1-minute incrementsand 1-hour increments)Other: Auto-repeat, progress beeper3 multi-function alarms (with 1 snooze alarm)Hourly 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: 5 years on CR2016Size of case : 48.84612.7mmTotal weight : 49g