Casio G-Shock GBA-900CB-1A Blue Dial Bluetooth® Men's Watch

The Casio G-Shock GBA-900CB-1A Dual-Time Bluetooth® Men’s Watch from the G-SQUAD series blends bold design with advanced fitness tracking, making it the perfect companion for workouts and everyday style. Inspired by the refreshing energy of seaside training, the vibrant blue dial is a first for Casio and adds a sporty edge to its black resin case and strap. With silvery vapor-deposited hands, the watch offers enhanced legibility and a sleek shimmer. This timepiece features Bluetooth® connectivity, allowing you to pair it with the G-SHOCK MOVE app to track steps, calories burned, pace, distance, and running logs. Once synced with your smartphone GPS, the watch can independently track distances thanks to its built-in acceleration sensor and auto-lap readings. With a 48.9mm case, 16.6mm thickness, and weighing only 61g, the GBA-900CB-1A is lightweight yet tough. It offers 200-meter water resistance, shock resistance, and a scratch-resistant mineral crystal for maximum durability. A double white LED light ensures excellent visibility in any condition, and its 2-year battery life keeps you going longer without maintenance. Whether you're training or out on the town, this stylish, functional G-SHOCK is built to keep up—and stand out. Backed by a 2-year warranty. Available at Watch Zone. UPC: 4549526375514

Smartphone Link/App Connectivity Features

Mobile link (Automatic connection, wireless linking using Bluetooth®)

Apps: CASIO WATCHES

App connectivity feature

Auto time adjustment

Easy watch setting

Approximately 300 world time cities

Simple notification (tone alert only)

Activity history

Life log data

Distance correction by smartphone GPS

Phone finder

Time adjustment

Bluetooth: Connects to a smartphone and automatically adjusts the time

Sensor feature

Calorie and distance calculations based on step count, Including basal metabolic rate

Daily data display: Step count, calorie, distance

 
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:

Analog: 2 hands (hour, minute (hand moves every 20 seconds))

Digital: Hour, minute, second, pm, month, date, day

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