| Display | 1.32-inch AMOLED, 466x466, 353 ppi, up to 3,000 nits, sapphire glass | 1.39-inch AMOLED touchscreen, 454 x 454, 326 ppi, sapphire crystal glass, always-on option, ambient light sensor |
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| Body | Grade 5 titanium bezel and buttons, fiber-reinforced polymer frame, titanium and glass-ceramic back; 51.4 mm case, 14.5 mm thick (16.9 mm with sensor); 69 g without strap; 26 mm strap | 48.6 x 48.6 x 13.4 mm; 79 g with wristband (57 g without); stainless steel case and bezel; 22 mm quick-release wristbands; WR100 water resistance; MIL-STD-810H tested; -20 to 50 C operating temperature |
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| Battery | Up to 25 days (typical use), up to 34 days with 3 hours of front solar, up to 51 days with 3 hours of rear solar, up to 13 days (heavy use); up to 41 hours in accurate GPS mode; 660 mAh | Up to 11 days in smartwatch mode; up to 40 hours in performance training mode; up to 110 hours in eco training mode; 488 mAh rechargeable Li-Pol battery (Polar's launch announcement quoted up to 10 days, 43 hours and 140 hours) |
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| Solar | Dual-sided solar charging through the AMOLED display and a glass-ceramic back plate with more than twice the active area | — |
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| Positioning | Dual-band GPS with six satellite systems; preloaded full-color maps, route planning with up to 100 routes, turn-by-turn navigation | — |
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| Sensors | BioTracker 6.0 PPG sensor (5PD + 2LED), accelerometer, gyroscope, geomagnetic, barometric altimeter, ambient light, temperature | 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 | Bluetooth 5.2, Bluetooth calls, Wi-Fi 2.4GHz; microphone and speaker; white and red flashlight | Bluetooth LE, USB-C charging cable (proprietary connector) |
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| Durability | 10 ATM water resistance, recreational diving support to 50 m; low-temperature mode to -30 C; military-standard certification | — |
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| Sports | 180+ sports modes, HYROX training, Expedition mode, HybridCharge training and recovery view | — |
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| OS | Zepp App for Android 7.0+ and iOS 15.0+, no subscription required for workout and recovery data | — |
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| Storage | — | 32 GB for training data, offline maps and routes |
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| GPS | — | Dual-frequency GPS with GLONASS, Galileo, BeiDou and QZSS |
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| Navigation | — | Preloaded maps of Europe and North America, downloadable regions and contour maps in Polar Flow, Breadcrumbs, turn-by-turn navigation powered by komoot, Strava route sync, Track Back, Back to Start |
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| Software | — | Polar Flow app; Training Load Pro, Recovery Pro, Nightly Recharge, SleepWise, FitSpark, FuelWise, Hill Splitter, orthostatic and running tests |
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| Extras | — | Built-in flashlight; wrist-based running power; vertical speed, VAM and 3D speed |
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| Colors | — | Night Black, Stone-Gray; Grit X2 Pro Titan edition with titanium front casing and an extra leather wristband |
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