| Display | 1.28-inch AMOLED touchscreen, 416 x 416, sapphire crystal glass, always-on option | Flat crystal, up to 3000 nits |
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| Body | 44.7 x 44.7 x 12.5 mm; 62 g with wristband (39 g without); plastic case with stainless steel bezel; 22 mm standard wristbands; WR50 water resistance; MIL-STD-810H tested | — |
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| Battery | Up to 7 days in smartwatch mode; up to 30 hours in performance training mode; up to 90 hours in eco training mode; rechargeable and replaceable Li-Pol battery | Up to 36 hours; up to about 60 hours in low-power mode |
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| Storage | 32 GB (offline maps) | — |
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| Sensors | Polar Elixir biosensing: 4th-generation optical heart rate, wrist-based ECG, SpO2, skin temperature; barometer, magnetometer compass, accelerometer, gyroscope | — |
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| GPS | Dual-frequency GPS with GLONASS, Galileo, BeiDou and QZSS | — |
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| Navigation | Preloaded full-colour offline topographic maps, route guidance, Track Back, points of interest | — |
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| Connectivity | Bluetooth LE, USB-C charging cable (proprietary connector) | Cellular, dual-frequency GPS (L1 + L5) |
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| Software | Polar Flow app; Nightly Recharge, Training Load Pro, Orthostatic Test | — |
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| Colors | Night Black, Brown Copper | — |
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| Case Size | — | 49mm titanium |
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| Chipset | — | Apple S9 SiP, 2nd-gen Ultra Wideband |
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| Health Sensors | — | Heart rate, water temperature, sleep apnea detection, blood oxygen (calculated on paired iPhone) |
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| Water Resistance | — | WR100 / EN13319, recreational dives to 40 m |
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| OS | — | watchOS 10 (at launch) |
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