| Display | Always-On Retina LTPO OLED, up to 2000 nits maximum, 1 nit minimum, 326 ppi; Ion-X glass (aluminum) or sapphire (stainless steel) | 1.28-inch AMOLED touchscreen, 416 x 416, Gorilla Glass 3, always-on option with ambient light sensor |
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| Chipset | S9 SiP (64-bit dual-core, 4-core Neural Engine), second-generation Ultra Wideband | — |
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| Storage | 64GB | 32 GB (offline maps), 37 MB memory, 275 MHz CPU |
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| Sizes | 41mm (31.9 g aluminum GPS) and 45mm (38.7 g aluminum GPS); 10.7 mm deep | — |
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| Battery | Up to 18 hours of normal use; up to 36 hours in Low Power Mode; fast charging to 80% in about 45 minutes | Up to 7 days in smartwatch mode; up to 30 hours in training mode (Polar's spec table lists 27 hours performance, 90 hours eco and 8 days smartwatch); 310 mAh replaceable Li-Pol battery |
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| Sensors | Third-generation optical heart sensor, electrical heart sensor (ECG app), temperature sensing, compass, always-on altimeter, high-g accelerometer, gyroscope, ambient light sensor | Polar Elixir biosensing: 4th-generation optical heart rate, wrist-based ECG, SpO2, nightly skin temperature; barometer, magnetometer compass, accelerometer, gyroscope |
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| Connectivity | Wi-Fi 4, Bluetooth 5.3, GPS/GNSS (L1), optional LTE and UMTS | Bluetooth LE (no ANT+), USB-C charging cable (proprietary connector) |
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| Durability | Water resistance 50 m (ISO 22810:2010), IP6X dust resistance | — |
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| Controls | Digital Crown, side button, new double tap gesture, on-device Siri | — |
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| OS | watchOS 10 | — |
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| Body | — | 44.7 x 44.7 x 12.2 mm; 53 g with wristband (35 g without); glass-fibre reinforced plastic case with stainless steel bezel; 22 mm quick-release silicone wristband; WR50 water resistance |
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| GPS | — | Dual-frequency GPS (L1/L5) with GLONASS, Galileo, BeiDou and QZSS |
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| Navigation | — | Preinstalled and upgradeable offline topographic maps, planned routes, breadcrumbs, komoot turn-by-turn guidance |
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| Software | — | PolarOS; Polar Flow app; Training Load Pro, Nightly Recharge, Smart Coaching; over 150 sport profiles |
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| Colors | — | Night Black, Greige Sand |
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