Suunto 3 SLATE HR - GPS/Cardio Watch - grey

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Use: activity tracking, multisports



  • Robust multisports GPS watch with long battery life
  • Suitable for long, tough training and racing as well as extreme adventures
  • Up to 40 hours of continuous tracking
  • Heart rate measured on the wrist
  • Over 80 sports modes
  • Customisable front face
  • Dedicated Suunto app available on the App Store and Google Play
  • Compatible with different online sports communities: Training Peaks, Strava, Endomondo, etc.


  • Time
  • Date
  • Alarm clock
  • Automatic syncing
  • Stopwatch
  • Countdown timer
  • Vibration alert
  • Step counter
  • Calories
  • Activity targets
  • Activity history
  • Calorie burn rate and heart rate during daily activities
  • Minimum daily heart rate tracking
  • Sleep tracker: Duration, sleep times, sleep quality
  • Stress and recovery: Daily resources, stress level and recovery
  • Touchscreen and button locking during exercise
  • Intelligent charge reminders
  • GPS tracking and navigation: Smart GPS
  • Weather: Sunrise/sunset times
  • Phone notifications on the watch
  • Interval training
  • Speed and distance
  • Training recovery
  • Training Load
  • Mode: swimming, cycling, running, multisports
  • Sports modes


  • Colour touch screen
  • LED backlight
  • Display resolution: 218 x 218
  • Rechargeable lithium-ion battery
  • Training mode battery life: up to 40 hours
  • 24/7 tracking battery life: up to 5 days
  • Time mode battery life: up to 10 days
  • GPS training mode: up to 30 hrs
  • Water resistance: 30 m (3 ATM)
  • Connectivity between devices via Bluetooth Smart®
  • Languages: EN, CS, DA, DE, ES, FI, FR, IT, JA, KO, NL, NO, PL, PT, RU, SV, TR, HE
  • Operating temperature: -20 to +60°C
  • Storage temperature: -30 to +60°C


  • Strap width: 20 mm
  • Dial diameter: 43 mm
  • Wrist size: 120 to 210 cm
  • Weight: 36 g
  • Bezel: stainless steel
  • Glass: polyamide
  • Case: ABS
  • Strap composition: Silicone


  • Suunto 3 Slatte grey
  • USB cable
  • Quick guide
  • Warranty leaflet

Learn more about heart rate monitoring (in French)


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Bluetooth Smart®: Bluetooth Smart is the economic, intelligent version of wireless Bluetooth technology. With its low energy consumption, Bluetooth Smart is ideal for devices powered by small batteries over long periods of time. So you can keep your smartphone or tablet app running in the background without worrying about your battery level.