What Our Gearhead(R) Experts Are Saying: "I've pushed this watch through 20-mile trail runs, alpine starts, and bikepacking weekends-it never quits. The solar charging adds real longevity, and the multi-band GPS locks on even in dense forest or canyons. It's a powerhouse tool that's as smart as it is tough."From the top of 14ers to 40 meters underwater, the Garmin fenix 8 Solar Sapphire Sport Watch tracks our every pursuit. The bomber build meets U. S. military standards for thermal-, shock-, and water-resistance, meaning max grit, while the dive-rated design, leakproof buttons, and sensor guard ensure pressure, submersion, rain, and sweat don't muddle our performance metrics results. Pulling power from the sun, this watch delivers up to 653 hours of tracking in max battery GPS mode, giving us all the time for activities, while maps, round-trip routing, and SatIQ tech ensure we don't get lost when getting after it.