Amazfit Balance 3
Amazfit Balance 3 is a watch from 2026, sitting in the premium band at an indicative $369.
It reads 18 of the 33 signals this comparison tracks. Full coverage of activity. Nothing at all from body composition.
By sensor class: 10 at consumer grade. That grade is my classification of the hardware, not a lab test. Those readings come from an optical heart rate sensor, an optical blood oxygen sensor, a skin temperature sensor, a GPS receiver, a barometer and an accelerometer. Blood oxygen is a spot reading you take yourself, not a continuous one.
Its 21 days per charge are the 21st longest of the 76 devices of its kind here that publish a figure. The AMOLED screen can stay always on. Multi-band GPS. Rated 10ATM / 100m, fine for swimming. It weighs 62 g. On top of the tracking it also handles music on the device and offline maps. Case size 51.4mm. No subscription is required.
June 2026 successor to the Balance 2, steel or titanium. Sapphire, offline maps, Bluetooth calling.
Key specs
What it tracks
Heart & vitals
Sleep
Activity
Fitness
Sources
https://us.amazfit.com/products/balance-3https://the5krunner.com/2026/06/17/amazfit-balance-3-review/
Buying for battery life? See every device ranked by battery life
Turn a supported wearable into daily health scores
MyBodyAI reads Fitbit, Oura, Polar and Withings by logging in, and Garmin from a data export, then builds daily recovery, sleep, load and immune scores, a biological age estimate, and early warnings. Optional, and separate from this comparison.
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