The Casio G-SHOCK GBD-300 Series is a next-generation G-SQUAD fitness watch designed for runners, walkers, and active lifestyles. Featuring a slim, lightweight design, the series combines G-SHOCK's legendary durability with advanced fitness technology, making it ideal for everyday wear and sports training.

The GBD-300 is equipped with a high-contrast Memory-in-Pixel (MIP) LCD, Bluetooth® smartphone connectivity, a built-in accelerometer for accurate step counting, distance measurement, pace tracking, calorie estimation, and workout analysis through the CASIO WATCHES smartphone app. The vibration alert, Super Illuminator LED, and comfortable bio-based resin band further enhance usability during training and daily activities.

Available in Black (GBD-300-1DR), White (GBD-300-7DR), and Yellow (GBD-300-9DR), all three models share identical specifications and differ only in their color.

Design

• Digital Display
• High-Contrast Memory-in-Pixel (MIP) LCD
• Slim Lightweight Profile
• Bio-Based Resin Case
• Bio-Based Resin Bezel
• Bio-Based Resin Band
• Mineral Glass
• Shock Resistant Construction
• Ergonomic Curved Band Design
• Comfortable Fit for Running
• Modern Square G-SHOCK Styling

The GBD-300 features an ergonomically designed case and curved bio-based resin strap for enhanced comfort during long workouts. Its MIP LCD delivers excellent visibility in bright sunlight while maintaining low power consumption.

Key Features

• Shock Resistant
• 200M Water Resistance
• Bluetooth® Smartphone Link
• Memory-in-Pixel (MIP) LCD
• Built-in Accelerometer
• Step Counter
• Distance Measurement
• Pace Measurement
• Speed Display
• Calories Burned Estimation
• Auto Lap
• Manual Lap
• Training Analysis
• Activity Log
• Life Log
• GPS Distance Calibration (via Smartphone)
• Phone Finder
• Phone Notifications
• Reminder Notifications
• Vibration Alert
• World Time (38 Time Zones)
• 1-Second Stopwatch
• Countdown Timer
• Interval Timer
• 4 Daily Alarms
• Snooze Alarm
• Super Illuminator LED Backlight
• Auto Calendar
• Flight Mode
• Power Saving
• Button Operation Tone On/Off
• 12/24-Hour Format

Specifications

• Brand: Casio
• Collection: G-SHOCK
• Series: G-SQUAD
• Models: GBD-300-1DR / GBD-300-7DR / GBD-300-9DR
• Gender: Unisex
• Movement: Quartz
• Display: Digital
• Display Type: Memory-in-Pixel (MIP) LCD
• Bluetooth: Yes
• Smartphone Link: Yes
• Compatible App: CASIO WATCHES
• Case Material: Bio-Based Resin
• Bezel Material: Bio-Based Resin
• Band Material: Bio-Based Resin
• Glass: Mineral Glass
• Shock Resistant: Yes
• Water Resistance: 200 Meters / 20 BAR
• Case Size: 46.0 × 47.9 × 15.0 mm
• Weight: Approximately 60 g
• Battery: CR2032
• Battery Life: Approximately 2 Years

Fitness & Training Functions

• Step Count
• Distance Measurement
• Pace Display
• Speed Measurement
• Calories Burned
• Workout History
• Life Log
• Auto Lap
• Manual Lap
• Interval Training
• Goal Tracking
• Distance Calibration via Smartphone GPS

Smartphone Functions

• Automatic Time Adjustment
• Easy Watch Settings
• World Time Synchronization
• Workout Log Management
• Activity History
• Phone Finder
• Incoming Call Notification
• Email Notification
• App Notification Support
• Reminder Function

Timekeeping Functions

• World Time (38 Cities)
• 1-Second Stopwatch
• Countdown Timer
• Interval Timer
• 4 Daily Alarms
• Snooze Alarm
• LED Super Illuminator
• Full Auto Calendar (to 2099)
• Flight Mode
• Vibration Alert

In the Box

• Casio G-SHOCK GBD-300 Watch
• Original G-SHOCK Box
• User Manual
• Warranty Card

Warranty

2 Years International Warranty (Subject to Casio warranty terms.)