Brains and brawn — you can count on the GBA-900 line for rugged G-SQUAD toughness with smartphone connectivity.

Access your smartphone GPS via Bluetooth® for precision accelerometer measurement. Use your smartphone to take initial measurements of specific spans, then leave it to the timepiece to accurately measure these distances on its own. Get all the info you need — distance, speed, pace, and calories burned, as well as auto lap readings to keep track of running times for set distances.

Download the app to control watch settings, manage workouts, and check activity history. Displays five stages of exercise intensity and tracks progress against the workout goals you set.

Enjoy the clearest display yet with Memory in Pixel (MIP) LCD and Super Illuminator to ensure visibility even in the dark. Not just rugged and smart, but comfortable, too. The GBA-900 band is made of soft urethane for a quality fit.

Basic Information
Case size (L× W× H): 51.3 × 48.9 × 16.6 mm
Weight: 61 g
Case / bezel material: Resin
Band: Resin Band

Construction
Shock Resistant
Water resistance
200-meter water resistance
Power supply and battery life
Approx. battery life: 2 years on CR2025

Smartphone Link/App Connectivity Features
Smartphone Link feature
Mobile link (Automatic connection, wireless linking using Bluetooth®)

Apps
G-SHOCK MOVE

Watch Features
World time
Dual time (Home city time swapping)

Stopwatch
1/100-second stopwatch
Measuring capacity:
00'00''00~59'59''99 (for the first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Measuring unit:
1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Measuring modes: lap/split timing, distance/pace display, auto/manual lap timing auto lap notification
Memory capacity: Up to latest 45 records (measurement start month, date, hour, minute, lap/split times, total time, distance, average pace, calories burned, lap number, time, distance, average pace of each lap/split)

Timer
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, 5-second countdown auto start, repeat (1 to 20 times)

Alarm/hourly time signal
5 daily alarms
Hourly time signal

Light
Double LED light
LED light for the face (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED backlight for the digital display (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)

Light color
LED:White

Calendar
Full auto-calendar (to year 2099)

Mute feature
Button operation tone on/off

Energy saving feature
Power Saving

Battery display/alert
Low battery alert

Accuracy
Accuracy: ±15 seconds per month (with no mobile link function)

Other features
12/24-hour format
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
Airplane mode
Regular timekeeping:
Hour, minute, second, am/pm, month, date, day
User profile creation
Sensor feature details
Lifelog calculation function (Calorie and distance calculations based on step count), Including basal metabolic rate Daily data display: Step count, calorie, distance

Warranty: 2 Year International Manufacturer's Warranty