Introducing the GBD-300 line for your active everyday — the tough, sports-oriented G-SQUAD designed to make training fun. Find more joy in your workout with the GBD-300, packed with practical functionality to support running and other training regimes. With accelerometer, distance tracking, Smartphone Link, high-resolution display, and more, this G-SQUAD has you covered — from managing your everyday health to improving your endurance. Use the GPS functionality of a paired smartphone to adjust distance measurements, after which the watch can measure running distance more precisely even when not connected to your phone. Equipped with Auto Lap, the watch also tracks running pace and automatically keeps track of times over a set distance. Tap into the dedicated app for visuals that help you see your own personal records and easily manage life log data and activity history. Set the watch to vibrate, alerting you to time elapsed, calories burned, and other milestones during training, and you won’t miss any telephone, email, and social media notifications, either. The display features high-resolution memory-in-pixel (MIP) LCD and Super Illuminator. Together with the auto-light function, which automatically lights with just a tilt of the wrist during running, the GBD-300 ensures visibility, even at night. Thanks to a shock-resistant structure that places the case between a front bezel and a back bumper bezel, the GBD-300 boasts the slimmest profile of any G-SQUAD. Made of soft urethane, the band offers an even more comfortable fit with band holes placed at 5mm intervals for finer adjustments for a variety of wrist sizes. Soft urethane and a flexible fine-resin covering on the underside keep even vigorous arm movements comfortable. Key resin components used in the case, band, and more are made with bio-based resin, a material expected to help reduce environmental impact.

Case size (L× W× H)

48.9 × 47.4 × 14.9 mm

Weight

60 g

Case and bezel material

Resin / Bio-based resin

Band

Bio-based resin band

Construction

Shock Resistant

Water resistance

200-meter water resistance

Time adjustment

Bluetooth: Connects to a smartphone and automatically adjusts the time

Power supply and battery life

Approx. battery life: 2 years on CR2032

Sensor feature

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)

Smartphone Link feature

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

Apps

G-SHOCK MOVE

App connectivity feature

Auto time adjustment

Easy watch setting

Approximately 300 world time cities

Notification function (incoming calls, incoming e-mails, new social media posts, calendar notifications, reminders)

Activity history

Life log data

Distance correction by smartphone GPS

Training plan creation

Phone finder

Glass

Mineral Glass

Compatible band size

145 to 215 mm

World time

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.

Stopwatch

1-second stopwatch Measuring capacity: 99:59'59'' Measuring modes: Elapsed time, split time

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 (number of repeats settable from 1 to 20)

Alarm/hourly time signal

4 daily alarms with snooze

Light

LED backlight (Super Illuminator) Auto light switch, 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 (Display goes blank to save power 3 hours everyday.)

Accuracy

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

Other features

12/24-hour format

Flight mode

Regular timekeeping: Hour, minute, second, am/pm, month, date, day

User profile creation

Vibration on/off

Sensor feature details

Life Log Data Daily data display (step count), Monthly data display (running distance) Training Data (Up to 100 runs, up to 140 lap times per run) Elapsed time, distance, pace, calories burned

Basic Information

CASIO G-SHOCK G-SQUAD - GBD-300-1DR

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