| Display | 1.28-inch AMOLED touchscreen, 416 x 416, always-on option, Gorilla Glass 3 | 1.28-inch AMOLED touchscreen, 416 x 416, sapphire crystal glass, always-on option |
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| Body | 45 x 45 x 13.8 mm; 48 g with wristband, 28 g without; bio-based plastic case; 22 mm quick-release strap | 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 10 days in smartwatch mode; up to 43 hours with GPS in performance training mode (170 hours in eco mode); 385 mAh, replaceable | 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 |
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| Positioning | GPS, Galileo, BeiDou, QZSS with assisted GPS; barometer, compass; route guidance and back to start | — |
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| Sensors | Precision Prime optical heart rate, nightly skin temperature, accelerometer, gyroscope, barometer, magnetometer; no ECG or SpO2 | Polar Elixir biosensing: 4th-generation optical heart rate, wrist-based ECG, SpO2, skin temperature; barometer, magnetometer compass, accelerometer, gyroscope |
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| Connectivity | Bluetooth LE; proprietary USB-C charging cable | Bluetooth LE, USB-C charging cable (proprietary connector) |
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| Durability | WR50 water resistance; tested to MIL-STD-810H; -20 to 50 °C operation | — |
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| Sports | 170+ sports and activities, Training Load Pro, Nightly Recharge, SleepWise, Sleep Plus Stages | — |
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| Performance | 275 MHz CPU, 5 MB memory, 32 MB storage | — |
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| Extras | Integrated LED flashlight with white and red light; Polar Flow app and web service included | — |
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| Colors | Night Black, Snow White, Forest Green | Night Black, Brown Copper |
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| Storage | — | 32 GB (offline maps) |
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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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| Software | — | Polar Flow app; Nightly Recharge, Training Load Pro, Orthostatic Test |
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