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Cardio GPS watchPOLAR
STREET X BLACK

Color : Black
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Description
STREET X BLACK

The STREET X is an urban sports watch designed by Polar for people who train, work and live in the city. It features multi-GNSS GPS, an AMOLED touchscreen, a precision optical heart rate monitor and MIL-STD-810H military resistance certification. It's aimed at hybrid training practitioners - urban running, weight training, team sports - who want a connected watch capable of taking in as much as analysing.

Shockproof GPS watch with AMOLED screen: military ruggedness at the service of the urban sportsman

The Street X's body is made from reinforced bio-sourced polymer with an 8-screw frame that distributes shocks throughout the structure. The 1.28'' AMOLED screen (416 × 416 px) is protected by Gorilla Glass, touch-sensitive, always on, and automatically adjusts to ambient brightness. The MIL-STD-810H certification covers shock, vibration, extreme temperatures and humidity - from -20°C to +50°C. What's more, the WR50 waterproofing allows swimming in pools. The raised, textured buttons can still be used with gloves or wet hands, which makes a real difference in wet weather on an underground platform or on a winter outing.

On the sensor side, the Street X packs the Precision Prime™ GEN 3.5 for heart rate, complemented by a barometer, compass magnetometer, gyroscope, accelerometer and GEN 1 night skin temperature sensor. Positioning is based on multi-GNSS GPS (GPS, Galileo, BeiDou, QZSS) with assistance - particularly useful in dense urban environments where the canyons of buildings fragment the signal. Autonomy : 10 days in connected watch mode, 43 hours in high-performance mode with GPS.

Expert advice : In hybrid training - alternating strength training/cardio - activate the Training Load Pro™ exercise-rest guide, which analyses the heart rate between sets to calculate the optimum recovery time. This is much more appropriate than a fixed timer, especially at the end of a session when recovery times naturally become longer.

Hybrid training connected watch: over 170 sports, 24-hour tracking, LED torch

The integrated LED torch with red light mode - this is where it makes all the difference for early morning runs or late night rides back into town. White light for visibility, red mode so as not to dazzle passers-by or interfere with your night vision. On paper, it seems anecdotal. On a run at 6am in winter, you suddenly appreciate it differently. Street X also features phone notifications, music controls, two-day weather, multiple alarms and a 'find my phone' function - without ever weighing down the interface. Thanks to the integrated komoot, step-by-step guided routes are available directly on your wrist, with a return to the starting point if you go off on an ad hoc basis.

On the recovery side, the watch embeds Nightly Recharge™, Sleep Plus Stages™, SleepWise™ and Recovery Pro™ for a complete check-up night after night. Every morning FitSpark® offers suggestions for sessions adapted to your actual state of fitness - cardio, strengthening or mobility. FuelWise™ sends smart refuelling reminders on long rides. The Street X is not a watch that you strip of its functions at night: it continues to work while you sleep.

For a hybrid athlete who juggles between the gym, 10km runs around the ring road and Sunday swimming sessions, this is probably the Polar watch that covers the widest spectrum without any unacceptable compromises.

Details
STREET X BLACK

Composition and general information

  • Case and bezel: reinforced bio-sourced polymer - Screen: Gorilla Glass 3.0
  • Dimensions : 45 × 45 × 13.8 mm - Weight : 48 g (28 g without strap)
  • 22 mm POLAR Street bracelet included
  • Certification: MIL-STD-810H - Watertightness : WR50
  • Operating temperatures : -20°C to +50°C
  • Connectivity : Bluetooth Low Energy - proprietary USB-C cable
  • Li-Pol 385 mAh battery - 10 d connected watch / 43 h high performance mode / 170 h eco mode
  • 1.28'' AMOLED screen - 416 × 416 px, touch-sensitive, permanent display, ambient light sensor
  • 32 MB storage - 5 MB memory - 275 MHz processor
  • Compatibility : Polar Flow (iOS/Android/Web), Strava, komoot, TrainingPeaks, Apple Health, Google Health

 

Special features and functions

  • Precision Prime™ GEN 3.5: multi-LED fusion and advanced algorithms for accurate heart rate measurement on the wrist, even under full exertion
  • Assisted GPS multi-GNSS (GPS + Galileo + BeiDou + QZSS): reliable positioning in dense urban environments with rapid acquisition
  • Altimeter + Barometer + Compass: automatic monitoring of height differences, orientation and pressure variations, without configuration
  • Integrated LED torch + red light mode: visibility and discretion during low-light training sessions
  • Training Load Pro™: measures training load and individual tolerance over the long term to prevent overwork.
  • Exercise-rest guide: calculation of optimal recovery time between sets based on heart rate in real time
  • Running power measured at the wrist: effort estimated in watts to regulate intensity without an external sensor
  • FitSpark®: suggested daily sessions (cardio, strengthening, mobility) adapted to actual recovery and training history
  • FuelWise™: intelligent refuelling reminders during long rides to maintain energy levels
  • Recovery Pro™ + Nightly Recharge™ + Sleep Plus Stages™ + SleepWise™ - complete nightly recovery and daytime alertness tracking suite.
  • Night-time skin temperature GEN 1: indicator of general well-being (fitness, menstrual cycle, early signs of illness)
  • Step-by-step route guide via komoot: guided navigation of trails and urban routes directly on your wrist
  • Return to the starting point: navigation without a predefined route for impromptu outings
  • Hill Splitter™: automatic analysis of ascents and descents for sessions on hilly terrain or stairs
  • Customisable AMOLED dials: themes, colours, widgets and training views adaptable to personal use and style

 

Polar Street X: for whom and for what use?

  • Athlete profile: hybrid urban athletes practising running, weight training, team sports, leisure swimming, urban cycling or a combination of these disciplines.
  • Level: intermediate to advanced - beginners will appreciate how easy it is to get the hang of, but the range of functions is designed for more experienced users.
  • Ideal uses: hybrid training in urban environments, GPS runs and outings in town, gym sessions with recovery tracking between sets, daily wear throughout the week, etc.
  • Secondary uses: light hiking, swimming in pools, urban trail running, short-distance triathlons
  • Limitations: no dual GPS frequency or on-board colour mapping - for mountaineering, long trail outings or technical trail riding
Condition
New
Warranty
2 years
Type
Mixed
Year
2026
Organic
No
UIAA Dry treatment
No
Quickdraw pack
No

Review
STREET X BLACK

Cardio GPS watchPOLAR
STREET X BLACK