| Display | AMOLED up to 3,000 nits: 1.3-inch 416x416 (43 mm), 1.4-inch 454x454 (47 mm), 1.5-inch 466x466 (51 mm); solar models use a sunlight-visible MIP display (1.3-inch 260x260 at 47 mm, 1.4-inch 280x280 at 51 mm); sapphire or Power Sapphire lens | Largest display of any Apple Watch (LTPO3, wide-angle OLED, borders 24% thinner), 1Hz Always-On refresh |
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| Case | 43, 47 and 51 mm; titanium case and bezel; AMOLED 62 g / 78 g / 99 g, solar 84 g (47 mm) and 102 g (51 mm) | Titanium (natural, black), 100% recycled titanium, 3D-printed |
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| Battery | AMOLED: up to 10 / 18 / 31 days in smartwatch mode (43 / 47 / 51 mm); 51 mm AMOLED: up to 56 hours GPS, 151 hours Max Battery GPS; 51 mm solar: up to 30 days (57 days with solar), up to 75 hours GPS (124 hours with solar) (Garmin claims, solar figures assume 50,000 lux) | Up to 42 hours; up to 72 hours in Low Power Mode; 15 minutes of fast charging adds up to 12 hours |
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| Storage | 64GB for maps, music and data | — |
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| Navigation | Multi-band GPS with SatIQ plus GLONASS, Galileo, QZSS and BeiDou; routable maps with perspective view | — |
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| Connectivity | Bluetooth, ANT+, Wi-Fi; LTE and satellite connectivity with inReach on select models (active plan required): calls, texts, SOS, LiveTrack notifications, Garmin Locate | 5G cellular, built-in two-way satellite communications, dual-frequency GPS |
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| Training | Garmin Epic multi-activity stories, stamina zones and stamina curve, indoor rowing metrics, rucking with up to 100 kg pack weight, training readiness | — |
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| Health | Wrist-based heart rate, Pulse Ox, ECG app, Body Battery, sleep coach, skin temperature | — |
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| Features | Garmin Pay, music storage, LED flashlight with green night-vision mode, leakproof inductive buttons, Connect IQ | — |
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| Durability | 10 ATM, rated for diving to 40 m | — |
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| Straps | QuickFit 26 mm silicone band included, ComfortFit bands available | — |
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| OS | Garmin firmware; pairs with Android and iOS through the Garmin Connect app | watchOS 26 (requires iPhone 11 or later with iOS 26) |
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| Health Sensors | — | Optical heart sensor with hypertension notifications, sleep score, ECG, blood oxygen, sleep apnea notifications, water temperature |
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| Water Resistance | — | WR100; Oceanic+ dive computer app |
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