evo.com | Garmin Computers > The Garmin fenix 8 isn't just a smartwatch, it's your personal fitness guru and adventure companion rolled into one sleek package. With its vibrant AMOLED display and marathon-worthy battery life (up to 29 days for the 51mm size), this multisport marvel tracks everything from your downward dog to your deep dives. Plus, the built-in flashlight ensures you'll never fumble in the dark again or get caught in on an evening run without proper vis! Garmin Connect App See your health and fitness information, connect with friends and more. SATIQ(TM) Technology Get superior positioning accuracy with multi-band GPS while optimizing battery life. Physical Size 51mm 51 x 51 x 14.7 mm Battery Life 51mm Smartwatch: Up to 29 days (13 days always-on) / Battery Saver Watch Mode: Up to 41 days / GPS Only: Up to 84 hours (65 hours always-on) / All Satellite Systems: Up to 68 hours (54 hours always-on) / All Satellite Systems + Multi-band: Up to 62 hours (49 hours always-on)* \ All Satellite Systems + Music: Up to 18 hours / Max Battery GPS: Up to 145 hours \ Expedition GPS: Up to 31 days [*Assuming typical use with SatIQ technology] Built-In LED Flashlight A true integrated flashlight with variable light intensities and a red safety light gives you greater awareness in the dark, providing convenient illumination when you need it. Strobe mode can even match your running cadence. | Garmin fenix 8 Sapphire AMOLED Smartwatch 2025 - 47mm in Black