Sizometry

Street X Front view

Official manufacturer render.

Polar

Street X

Watch2026Released
  • 1.3-inch AMOLED
  • 28 g
  • From $250

Physical specifications

1.3"

Display size

28 g

Weight

45.0 mm

Height

45.0 mm

Width

13.8 mm

Thickness

—

Aspect ratio

Everyday usability

Estimated from the watch’s size, weight, battery, display, and intended wearing conditions.

  • Wrist comfort

    Moderately noticeable

    You will notice its presence on the wrist, though it should stay manageable for daily use.

  • Sleep comfort

    Noticeable

    Its thickness and larger footprint may remain noticeable when sleeping.

  • Battery usability

    Multi-day

    Multi-day battery life makes continuous wear and sleep tracking easier.

  • Screen and controls

    Easy to use

    Detailed brightness information is unavailable, so outdoor visibility cannot be fully assessed.

  • Workout usability

    Excellent

    Its low weight, water resistance, and GPS support make it well suited to running and gym sessions.

See its real size next to another watch.

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Display

Display size
1.3"
Display technology
AMOLED
Resolution
416 × 416
Protection
Corning Gorilla Glass 3 (AF + DLC coating)

Performance

Expandable storage
No

Battery & charging

Charging standard
Proprietary / USB-C. Smartwatch mode up to 10 days; performance training (GPS + HR) up to 43 h; eco training up to 170 h (power-save — not everyday life). Complete watch 48 g with wristband; body 28 g without. On-device storage 32 MB
Battery type
Li-Pol (385 mAh)

Build & durability

Frame
Bio-based plastic (PA11+8GF); aluminum; stainless steel
Back
Bio-based plastic
Front
Corning Gorilla Glass 3
Ingress protection
WR50 (50 m); MIL-STD-810H

Connectivity

Cellular
GPS / Galileo / BeiDou / QZSS (single-frequency; no dual-frequency GNSS), Route guidance; compass; barometer, Precision Prime™ OHR GEN 3.5; skin temp GEN 1 (no ECG / SpO2 / Elixir suite), Integrated LED flashlight (white / red), Polar Flow
Bluetooth
Bluetooth® LE

Release and pricing

Announced
March 25, 2026
Released
March 25, 2026
Starting price
$250
Market
US

Buying guide FAQ

Practical upgrade and buying answers based on published specifications and previous-generation comparisons when available.

Who should buy Polar Street X (2026)?

Polar Street X (2026) fits buyers who prefer a compact phone footprint. This is an editorial reading of size and published differences, not a personalized recommendation.

Similar size devices

Models and configurations

Connectivity
GPS / Galileo / BeiDou / QZSS (single-frequency; no dual-frequency GNSS)Route guidance; compass; barometerPrecision Prime™ OHR GEN 3.5; skin temp GEN 1 (no ECG / SpO2 / Elixir suite)Integrated LED flashlight (white / red)Polar Flow

Official sources

Dimensions and specifications are based on manufacturer-published data. Learn more in our Methodology