Pace Hare

Amazfit T-Rex 3 Pro

38 h of dual-band GPS on the 48 mm and 26 h on the 44 mm, at the same price. Choose the size for battery: the 48 mm weighs 52 g without its strap.

Sleep and recoveryGym and cyclingFirst marathonTriathlon

What the maker states

Multi-band GPS battery38 h, Accurate GPS mode, dual-frequency, 48 mm; 44 mm is 26 h
Smartwatch battery25 days, Typical use, 48 mm; 44 mm is 17 days
Weight52 g, 48 mm, no strap; 44 mm is 46.8 g
Case size48 mm, Also 44 mm
Water rating10 ATM
Display1.5 in AMOLED on 48 mm, 1.32 in on 44 mm
Satellite systemsDual-band, 6 satellite systems
Heart rate sensorBioTracker 6.0 PPG
External sensorsBluetooth (BLE): HR belt, power meters, speed and cadence
Training metricsZepp Coach, PeakBeats, BioCharge, virtual pacer, 25 strength movements
AppZepp App
SubscriptionNone for core features

Against other sports watches

GPS battery, in hours

Where this came from