Huawei Watch GT 6 Pro Review: Battery, GPS and Heart Rate Tested

The Huawei Watch GT 6 Pro claims 21 days of battery life in smartwatch mode, and in real-world testing that number holds up. For context, the Garmin Fenix 8 Solar gets around 16 days, and the Apple Watch Ultra 2 taps out near 60 hours. If you hate charging, Huawei is playing a different game entirely.

The new Sunflower GPS sensor is the headline upgrade on the hardware side. Accuracy testing puts it in a competitive range with Garmin's multi-band setup, though it doesn't quite match the Fenix 8's consistency on technical trail routes with heavy tree cover. On road and track, the delta is small enough that most runners won't care.

Heart rate is where Huawei has improved the most. Optical HR during steady-state cardio is solid, tracking within 2-3 bpm of chest strap readings. Push the intensity into intervals or Hyrox-style circuits and you start to see the lag that still plagues wrist-based sensors across the board, Garmin and Polar included. The GT 6 Pro handles it about as well as a Coros Pace 3 in that regard.

The software ecosystem remains the sticking point for serious athletes. No Strava native sync, no third-party structured workout platforms, and training load metrics feel surface-level compared to Garmin Connect or Polar Flow. If you live inside those platforms, the GT 6 Pro will frustrate you fast.

Solid hardware, real battery life, and competitive GPS at a price point that undercuts the Fenix 8 by a significant margin. Not the tool for data-obsessed triathletes or CrossFit athletes who need deep platform integration. But for runners who want long battery, clean HR tracking, and don't need the ecosystem, it's a legitimate option in 2025.