Introduction
The SUUNTO Core Outdoor Sports Watch is a robust and essential tool designed for outdoor adventures. It integrates key outdoor features such as an altimeter, barometer, and compass, along with comprehensive weather information. This manual provides detailed instructions for setting up, operating, and maintaining your SUUNTO Core watch.

Figure 1: Front view of the SUUNTO Core Outdoor Sports Watch, displaying time, altimeter/barometer, and compass modes.
Setup
Unboxing Your SUUNTO Core Watch
Upon receiving your SUUNTO Core watch, carefully unbox the contents. The package typically includes the watch and an instruction manual. The watch is designed for user-friendly battery changes.
Video 1: An unboxing video demonstrating the contents and initial presentation of the SUUNTO Core watch.

Figure 2: The SUUNTO Core product box.
Setting the Time
To set the time on your SUUNTO Core watch:
- Press and hold the Mode button (middle button on the right side) to enter the settings menu.
- Use the Down button (bottom right) to navigate to Time-Date.
- Press the Mode button to select Time-Date.
- Navigate to Time using the Down button.
- Press the Mode button to select Time.
- The hours will begin blinking. Use the Up (top right) or Down (bottom right) buttons to adjust the hour.
- Press the Mode button to confirm the hour and move to minutes.
- Adjust the minutes using the Up or Down buttons.
- Press the Mode button to confirm minutes and move to seconds.
- Adjust seconds using the Up or Down buttons. Pressing the Down button will reset seconds to zero.
- Press the Mode button to confirm seconds.
- Press the Start/Stop button (top left) to exit the settings and return to the main time screen.
Video 2: A demonstration on how to set the time on the SUUNTO Core watch.
Adjusting Display Contrast
To adjust the display contrast for optimal visibility:
- Ensure the watch is in sleep mode. To enter sleep mode, simultaneously press and hold the Up (top right), Down (bottom right), Start/Stop (top left), and View (bottom left) buttons until the display turns off.
- To turn the watch back on and access the service menu, press and hold the Mode button (middle right). As soon as "SUUNTO" appears on the screen, immediately press and hold the Start/Stop button (top left). This will take you to the service menu.
- Use the Up or Down buttons to navigate to Contrast.
- Press the Mode button to select Contrast.
- Use the Up or Down buttons to adjust the contrast level (1-15).
- Press the Mode button to confirm your selection.
- Press the View button (bottom left) to exit the service menu and return to the main screen.
Video 3: Instructions on how to adjust the display contrast of your SUUNTO Core watch.
Adjusting Barometric Pressure Units
To change the units for barometric pressure (hPa or inHg):
- From the timekeeping mode, press the Mode button (middle right) to enter the Altimeter & Barometer mode.
- Press and hold the Mode button to enter the menu options.
- Use the Down button (bottom right) to scroll down to Units.
- Press the Mode button to select Units.
- Scroll down using the Down button until you reach Air Pressure.
- Press the Mode button to select Air Pressure.
- The current unit (e.g., hPa) will be blinking. Use the Up or Down buttons to toggle between hPa and inHg.
- Press the Mode button to lock in your chosen unit.
- Press the Back button (bottom left) to return to the Altimeter & Barometer mode, where your new unit will be displayed.
Video 4: A guide on how to adjust the barometric pressure units (hPa or inHg) on your SUUNTO Core watch.
Operating Instructions
Altimeter, Barometer, and Compass (ABC) Functions
The SUUNTO Core is an ABC watch, featuring Altimeter, Barometer, and Compass functions. These modes can be accessed by pressing the Mode button (middle right) from the timekeeping screen.
- Altimeter: Measures altitude.
- Barometer: Measures air pressure and indicates weather trends.
- Compass: Provides directional guidance.
To view barometer readings:
- From the timekeeping mode, press the Mode button (middle right) to enter the Altimeter & Barometer mode.
- If the altimeter is displayed, press and hold the View button (bottom left) to enter the Altimeter & Barometer settings.
- Use the Down button (bottom right) to navigate to Profile.
- Press the Mode button to select Profile.
- Use the Up or Down buttons to select Barometer.
- Press the Mode button to confirm.
- Press the View button (bottom left) to return to the Altimeter & Barometer mode, where the barometer readings will now be displayed.
Video 5: Basic instructions on how to use the barometer function on your SUUNTO Core watch.
Weather Functions and Alerts
The watch provides weather functions including temperature and weather trend indicators. It can also issue storm alarms based on rapid drops in barometric pressure.
Sunrise/Sunset Times
The SUUNTO Core watch can display sunrise and sunset times based on your selected location. To set your location for accurate sunrise/sunset times:
- Press and hold the Mode button (middle right) to enter the settings menu.
- Use the Down button (bottom right) to navigate to Time-Date.
- Press the Mode button to select Time-Date.
- Navigate to Sunrise using the Down button.
- Press the Mode button to select Sunrise.
- The current Location will be blinking. Use the Up or Down buttons to select your continent/region (e.g., USA, Europe, Asia).
- Press the Mode button to confirm the continent/region.
- Next, select your specific Region (e.g., Central, Mountain, Pacific).
- Press the Mode button to confirm the region.
- Finally, select the closest City to your current location. Choose a city that is North or South of your location to avoid time zone discrepancies.
- Press the Mode button to confirm the city. A beep will confirm the successful change.
- Press the View button (bottom left) to return to the main time screen, and toggle through views until sunrise/sunset times are displayed.
Video 6: A step-by-step guide on how to set your sunrise and sunset location on the SUUNTO Core watch.
Using the Countdown Timer
The SUUNTO Core watch includes a countdown timer function. To set and use it:
- Press and hold the Mode button (middle right) to enter the menu options.
- Use the Down button (bottom right) to navigate to Time-Date.
- Press the Mode button to select Time-Date.
- Use the Down button to navigate to Countdown.
- Press the Mode button to select Countdown.
- The minutes will start blinking. Use the Up or Down buttons to set the desired minutes (maximum 99 minutes).
- Press the Mode button to confirm minutes and move to seconds.
- Adjust seconds using the Up or Down buttons (maximum 59 seconds).
- Press the Mode button to confirm seconds.
- Press the View button (bottom left) repeatedly until the countdown timer is displayed on the main screen, below the current time.
- To start the countdown, press the Start/Stop button (top left).
- To stop the countdown, press the Start/Stop button again.
- To reset the countdown to its set value, press and hold the Up button (top right).
Video 7: A detailed guide on how to set and use the countdown timer on your SUUNTO Core watch.
Maintenance
Battery Replacement
The SUUNTO Core watch uses a standard CR2032 battery, which is user-replaceable. The back of the watch case has a small groove designed for easy removal of the case back when a battery change is needed.

Figure 3: Back view of the SUUNTO Core watch, highlighting the user-replaceable battery compartment.
Troubleshooting
If you encounter any issues with your SUUNTO Core watch, please refer to the detailed troubleshooting section in the full user manual available on the SUUNTO website or contact SUUNTO customer support. Common issues may include incorrect sensor readings, display problems, or battery life concerns.
Specifications
| Feature | Detail |
|---|---|
| Model Name | Suunto Core Classic |
| Brand | SUUNTO |
| Functions | Altimeter, Barometer, Compass, Weather Functions, Temperature, Sunrise/Sunset Times, Depth Meter for Snorkeling |
| GPS | Via Smartphone |
| Display Type | Digital |
| Shape | Round |
| Band Material Type | Silicone |
| Water Resistance | 30 meters |
| Compatible Devices | Smartphone (All current models) |
| Target Audience | Men (Adult) |
| Battery Type | CR2032 (User-replaceable) |
Warranty & Support
The SUUNTO Core Outdoor Sports Watch comes with a SUUNTO International Warranty. For detailed warranty information and customer support, please refer to the warranty card included in your product packaging or visit the official SUUNTO website.

Figure 4: SUUNTO Core packaging, indicating international warranty details.





