 
      Specifications:
Dia: 45.9mm
Case / bezel material: Resin
Resin Band
Shock Resistant
Mineral Glass
Water resistance 200 meters
LED backlight (Super illuminator)
Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow
Mobile link (Automatic connection, connect wirelessly using Bluetooth®)
Exercise Function
Display of distance, speed, pace and other values calculated by accelerometer, auto/manual lap time, Auto Pause, target alert settings (time, altitude, calories burned) on/off, training display customization (elapsed time, distance, pace, lap time, lap distance, lap tempo, average tempo, pace, average speed, calories burned)
Training Data (Up to 100 runs, up to 140 laps per run)
Life Log Data
User profile creation
airplane mode
world time
1 second stopwatch
Countdown timer
Vibrators
4 daily alarms with snooze
Power Saving (Screen turns off to save power 3 hours daily.)
Fully auto-calendar (to year 2099)
12/24 hour format
Operation button sound on/off
Vibration on/off
Regular timekeeping: Hour, minute, second, am, pm, month, date, day
Accuracy: ±15 seconds per month (without mobile link function)
Estimated battery life: 2 years on CR2032
Size Of Case : 49.4×45.9×15mm
Total weight : 58g