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How to get more accurate wrist heart rate readings - tips and troubleshooting steps
Wrist heart rate sensor measures heart rate with LEDs that track blood flow at your wrist. This means that you can see your heart rate data during a specific activity or in daily use without a chest heart rate strap. Read more!
Suunto accessory straps
Give your Suunto watch a new look with an accessory strap. Our collection features straps for different activities in a wide range of designs, all easy to change without any additional tools.
Specifications
| Weight | 36 g / 1.27 oz |
|---|---|
| Bezel material: | Stainless steel |
| Glass material: | Polyamide |
| Case material: | Glass fibre reinforced polyamide |
| Strap material: | Silicone |
| What's in the box? | Suunto 3 Fitness Copper, USB cable, Quick Guide, Warranty Leaflet |
| Country of manufacture | CN |
Technical specifications
| Bezel material: | Stainless steel |
|---|---|
| Glass material: | Polyamide |
| Case material: | Glass fibre reinforced polyamide |
| Strap material: | Silicone |
| Weight | 36 g / 1.27 oz |
| Strap width: | 20 mm |
| Integrated wrist heart rate | yes, Valencell technology |
| Color display | |
| Water resistance | 30 m |
| Battery indicator | percentage / icon |
| Battery type | rechargeable lithium-ion |
| Firmware upgradable | |
| Time, date | |
| Alarm clock | 1 configurable alarm |
| Dual time | |
| Stopwatch timer | |
| Countdown timer | |
| Vibration alert | |
| Languages | EN, CS, DA, DE, EL, ES, FI, FR, IT, JA, KO, NL, NO, PL, PT, RU, SV, TR, HE, ZH*, TH* |
| Backlight | LED |
| Configurable backlight | |
| Button lock | during exercise |
| Display type | matrix |
| Display resolution | 218 x 218 |
| Metric and imperial units | |
| Automatic daylight saving time | |
| Wrist sizes: | 120-210 mm |
| Customizable watch faces |
| Compatible with Suunto app | |
|---|---|
| Smartphone compatibility | Most common models supported |
| Phone notifications on the watch | with Suunto App |
| Compatible with online sports communities | Strava, TrainingPeaks and more |
| Watch software updates from cloud | |
| Connectivity (between devices) |
| Training mode without GPS | up to 40h |
|---|---|
| With 24/7 tracking and mobile notifications | up to 5 days |
| In time mode | up to 10 days |
| Training mode with GPS | up to 30h with connected GPS |
| Operating temperature | -20° C to +60° C / -5° F to +140° F |
|---|---|
| Storage temperature | -30° C to +60° C / -22° F to +140° F |
| Recommended charging temperature | 0° C to +35° C / +32° F to +95° F |
24/7
| Calories burned | |
|---|---|
| Daily minimum heart rate tracking | |
| Calorie burn rate and heart rate during daily activities | |
| Activity targets | steps, calories |
| Step counter |
| Sleep quality | |
|---|---|
| Bed times | |
| Sleep duration | Duration, average HR during sleep |
| Daily resource level | |
|---|---|
| Stress and recovery status |
OUTDOOR FUNCTIONS
| Satellite systems | Connected GPS |
|---|---|
| GPS recording rate | 1s |
| GPS track analysis | in Suunto app with connected GPS |
| Track logging, viewing and sharing | in Suunto app with connected GPS |
| Sunrise/sunset times | From mobile GPS location via Suunto app |
|---|
TRAINING FUNCTIONS
| Intensity and duration based real-time guidance during workout | |
|---|---|
| Automatic 7-day training plan to improve your fitness level |
| Setup intervals | on watch |
|---|---|
| Interval guidance during training |
| Heart rate measured from wrist | |
|---|---|
| Heart rate belt compatibility | Bluetooth Smart belts |
| RR interval | with Suunto Smart Heart Rate Belt & Suunto Smart Sensor |
| Heart rate in beats per minute | |
| Records heart rate in swimming | yes, with Suunto Smart Heart Rate Belt & Suunto Smart Sensor |
| Heart rate graph in real time | |
| Calories | |
| Personal heart rate zones | |
| Fitness level (VO2max) |
| Cadence based speed and distance | |
|---|---|
| GPS speed and distance | with connected GPS from Suunto app |
| Chrono | |
| Foot POD support | Bluetooth Smart |
| Autolaps | distance and duration based |
| Manual laps | |
| Analysis of pace, speed graphs and tracks on the map | in Suunto app |
| Training based recovery time | |
|---|---|
| Feeling stored after training to watch |
| Logbook with exercise details | on watch |
|---|---|
| Exercise summary with lap details | on watch |
| Training logbook for long term overviews | |
| Sport specific weekly training duration for last 4 weeks |
| Exercise rating and commenting | in Suunto app |
|---|---|
| Exercise sharing to social media | via Suunto app |
SPORT EXPERTISE
| Pool swim pace and distance | |
|---|---|
| Records heart rate in swimming | Yes, with Suunto Smart Heart Rate Belt & Suunto Smart Sensor |
| Cycling speed | with connected GPS from Suunto app |
|---|---|
| Bike POD with speed/cadence support | Bluetooth Smart |
| Suunto FusedSpeed™ | |
|---|---|
| Foot POD calibration | automatic |
| Interval guidance with running pace/heart rate/distance | on watch |
| Change sport mode during exercise |
|---|
| Graphical displays in sport modes | heart rate |
|---|---|
| Pre-installed sport modes on watch | 70 |
Videos
Support for Suunto 3
Find user guides, how to videos, FAQs, tutorial articles and detailed support information for your Suunto watch.