| Display | 1.4-inch (35.56 mm) transflective MIP display, 280x280 pixels, touchscreen, solar charging lens | 1.39-inch AMOLED touchscreen, 454 x 454, 326 ppi, sapphire crystal glass, always-on option, ambient light sensor |
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| Case | 51 x 51 x 15.7 mm, 66 g (57 g case only); fiber-reinforced polymer case, titanium bezel, Power Sapphire lens | — |
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| Battery | Up to 36 days in smartwatch mode (90 days with solar); up to 120 hours in GPS activity mode with Extended Battery (320 hours with solar); up to 210 hours in Max Battery mode (Garmin claims, solar figures assume 50,000 lux) | 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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| Storage | 64GB for maps, music and data | 32 GB for training data, offline maps and routes |
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| Navigation | Multi-band GPS with SatIQ technology plus GLONASS, Galileo, QZSS and BeiDou; built-in routable maps, perspective view, ClimbPro and TracBack | 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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| Training | Grade-adjusted pace targets and rolling pace, stamina zones and stamina curve, Garmin Epic multiday logging, training readiness, endurance score, 100+ activity profiles | — |
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| Health | Wrist-based heart rate, Pulse Ox, ECG app, Body Battery, sleep coach, HRV status, skin temperature | — |
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| Features | Garmin Pay, music storage, white and red LED flashlight, smart notifications, Connect IQ | — |
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| Connectivity | Bluetooth, ANT+, Wi-Fi | Bluetooth LE, USB-C charging cable (proprietary connector) |
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| Durability | 10 ATM water rating | — |
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| Straps | ComfortFit fabric band, QuickFit 26 mm | — |
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| OS | Garmin firmware; pairs with Android and iOS through the Garmin Connect app | — |
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| Body | — | 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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| Sensors | — | Polar Elixir biosensing: 4th-generation optical heart rate, wrist-based ECG, SpO2, nightly 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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| 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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