Casio G-Shock GBD-100SM-4A1 Digital

• Case / bezel material: Resin / Aluminum
• 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 (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, 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 : 58.2×49.3×17mm
• Total weight : 69g