Introduction
The COROS PACE 3 Sport Watch is designed for athletes seeking a lightweight, comfortable, and powerful GPS sports watch. It offers extended battery life, accurate GPS tracking with dual-frequency support, comprehensive activity modes, and advanced health monitoring features to help you track your training and recovery effectively.
What's in the Box

The COROS PACE 3 Sport Watch package includes:
- COROS PACE 3 Sports Watch
- Charging Cable
- Quick Start Guide
- Product Safety Booklet
Setup
Initial Charging
Before first use, fully charge your COROS PACE 3. Connect the charging cable to the watch and a USB power source. A full charge typically takes approximately 50 minutes.
Powering On/Off
- Power On: Press and hold the top button (Digital Dial) until the COROS logo appears.
- Power Off: From the main watch face, press and hold the top button (Digital Dial) to access the system menu. Scroll down and select "System" > "More Settings" > "Turn Off".
Pairing with the COROS App
To unlock the full potential of your COROS PACE 3, pair it with the COROS app on your smartphone. Download the COROS app from your device's app store. Follow the on-screen instructions in the app to pair your watch. This typically involves scanning a QR code displayed on the watch or manually selecting your watch from a list of nearby devices.
Language Selection
During initial setup or via the system settings, you can select your preferred language for the watch interface. Use the Digital Dial or touchscreen to navigate through the language options.
Operating the COROS PACE 3
Basic Navigation
The COROS PACE 3 features a combination of physical buttons and a touchscreen for navigation:
- Digital Dial (Top Button): Rotate to scroll through menus and data screens. Press to select an option or start/pause an activity.
- Back/Lap Button (Bottom Button): Press to go back to the previous screen or mark a lap during an activity.
- Touchscreen: Swipe up/down or left/right to navigate data screens and menus. Tap to select options. The touchscreen can be locked during workouts to prevent accidental input.
Activity Modes
The watch offers a wide range of optimized activity modes for accurate data tracking:

- Run (Indoor, Trail, Track)
- Bike (Indoor)
- Swim (Pool, Open Water)
- Strength
- Snowboard & Ski (XC Ski)
- Hike
- Walk
- Indoor Rower & Jump Rope
- GPS Cardio & Triathlon
GPS Features & Navigation
The PACE 3 utilizes a redesigned Dual-Frequency satellite chipset for superior GPS accuracy, even in challenging urban environments. The Route Planner feature allows you to create custom routes in the COROS App and sync them to your watch. Breadcrumb navigation helps you stay on track during your activities.

Image: COROS PACE 3 with Navigation and Route Planner.
Heart Rate Monitoring
Equipped with a next-gen optical heart rate sensor (5 LEDs, 4 Photodetectors), the watch provides accurate wrist-based heart rate measurements for tracking workout intensity and daily health.

Image: Next-Gen Optical Heart Rate Sensor.
Sleep Tracking
The COROS PACE 3 tracks your sleep patterns, providing detailed data on your sleep recovery night after night. It monitors 4 stages of sleep and your resting heart rate.

Image: Sleep Tracking with detailed data.
Training Solution
Access training plans, coaching advice, and analysis tools through the COROS app to optimize your performance. The watch integrates seamlessly with the app to provide a complete training solution.

Image: Complete Training Solution.
Connecting Third-Party Applications
The COROS PACE 3 can sync directly with popular health and fitness apps such as Strava, Nike Run Club, Apple Health, and Health Connect. It also supports controlling GoPro and Insta360 cameras directly from your wrist.
Music Playback
The watch supports built-in audio for music. Note that music files must be transferred as MP3s directly to the watch; streaming services like Spotify or Apple Music are not directly supported.
Notifications & Find My Phone
Receive notifications for calls and messages directly on your watch. The "Find My Phone" feature allows you to trigger an alert on your paired smartphone to help locate it if misplaced.
Maintenance
Cleaning Your Watch
Regularly clean your COROS PACE 3 and its band to ensure optimal performance and hygiene. Use a soft, damp cloth to wipe down the watch and band. Avoid harsh chemicals or abrasive materials.
Water Resistance
The COROS PACE 3 has a water resistance rating of 5 ATM, making it suitable for swimming, showering, and other water-based activities. Avoid pressing buttons underwater or exposing the watch to high-pressure water jets.

Image: Water Resistance of COROS PACE 3.
Battery Life & Charging
The watch boasts an extended battery life: up to 38 hours of continuous GPS tracking and up to 17 days of continuous daily use on a single charge. Charge the watch using the provided magnetic charging cable.

Image: Extended Battery Life.
Band Replacement
The COROS PACE 3 supports interchangeable bands (silicone and nylon) to suit your style and activity. Refer to the official COROS website or user guide for instructions on how to safely replace the watch band.
Troubleshooting
- Watch Not Powering On: Ensure the watch is fully charged. If it still doesn't power on, try a soft reset by holding both buttons for 15 seconds.
- GPS Inaccuracy: Ensure you are in an open area with a clear view of the sky. Allow the watch sufficient time to acquire a GPS signal before starting an activity.
- Heart Rate Sensor Issues: Ensure the watch is worn snugly on your wrist, about one finger-width above your wrist bone. Clean the sensor regularly.
- Connectivity Problems: Ensure Bluetooth is enabled on your phone and the COROS app is running. Try restarting both the watch and your phone.
- App Sync Issues: Verify your watch is paired correctly with the COROS app. Ensure you have a stable internet connection on your phone.
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 4.02 x 4.02 x 4.02 inches |
| Item Weight | 5.3 ounces |
| Model Number | W331 |
| Battery Life | 17 days (daily use), 38 hours (continuous GPS) |
| Screen Size | 1.2 Inches |
| Connectivity Technology | Bluetooth |
| Water Resistance | 5 ATM |
| Mounting Type | Wrist Mount |
Warranty Information
The COROS PACE 3 Sport Watch comes with a manufacturer's warranty. Please refer to the Product Safety Booklet included in your package or visit the official COROS website for detailed warranty terms and conditions.
Support
For further assistance, please refer to the official User Guide or contact COROS customer support.
- Official User Guide (PDF): Download Here
- COROS Support Website: Visit the COROS official website for FAQs, troubleshooting, and contact information.
Official Product Video
Video: Official COROS Pace 3 overview, showcasing its features and design.







