From Casio, the sporty G-SQUAD meets the city streets. Take your training to the next level with sophisticated urban colors equally at home downtown and in the great outdoors.Case size (L? W? H): 51.3 ? 48.9 ? 16.6 mmWeight: 61 gCase / bezel material: ResinResin BandShock Resistant200-meter water resistanceApprox. battery life: 2 years on CR2025Mobile link (Automatic connection, wireless linking using Bluetooth(R))Mineral GlassDual time (Home city time swapping)1/100-second stopwatchCountdown timer5 daily alarmsHourly time signalDouble LED lightFull auto-calendar (to year 2099)Power SavingLow battery alert12/24-hour formatHand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)Airplane modeRegular timekeeping Hour, minute, second, am/pm, month, date, dayLifelog calculation function (Calorie and distance calculations based on step count), Including basal metabolic rate Daily data display: Step count, calorie, distanceCasio G-Shock Style#: GBA900UU-3A