Specifications Case / bezel material: Resin Resin Band Shock Resistant Mineral Glass 200-meter water resistance LED backlight (Super illuminator) Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow Mobile link (Automatic connection, wireless linking using Bluetooth) Training Function Display of distance, speed, pace, and other calculated values based on accelerometer, auto/manual lap times, Auto Pause, target alert setting (time, altitude, calories burned) on/off, training display customization (elapsed time, distance, pace, lap time, lap distance lap pace, average pace, speed, average speed, calories burned) Training Data (Up to 100 runs, up to 140 lap times per run) Elapsed time, distance, pace, calories burned Life Log Data Daily data display (step count), Monthly data display (running distance) User profile creation Flight mode World time 38 time zones* (38 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching *May be updated when connected to a smartphone. 1-second stopwatch Measuring capacity: 99:59'59'' Measuring modes: Elapsed time, split time Countdown timer Timer for interval measurement (up to five time settings) Measuring unit: 1 second Input range: 00'00'' to 60'00'' (1-second increments) Others: Auto-repeat (number of repeats settable from 1 to 20) Vibrator 4 daily alarms with snooze Power Saving (Display goes blank to save power 3 hours everyday.) Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Vibration on/off Regular timekeeping: Hour, minute, second, am, pm, month, date, day Accuracy: 15 seconds per month (with no mobile link function) Approx. battery life: 2 years on CR2032 Size of case : 49.445.915mm Total weight : 58g