G-Shock | Watch | GBD-100-2DR

These are the latest additions to the G-SQUAD lineup of sports watches from G-SHOCK, now with Bluetooth® capabilities that allow continuous connection with a smartphone.
These watches can link with the GPS of a smartphone for quicker calibration of distance measurements, enabling more accurate running distance measurements, even during use without a phone connection.

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®)
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
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