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TechRadar
TechRadar
Matt Evans

I just tested the Apple Watch Ultra 3's heart rate tracking against a Polar H10 chest strap – here are the results

Heart rate graph cropped screenshot.

The Apple Watch Ultra 3 is a powerful health and fitness watch; that much was evident from its predecessor, the Apple Watch Ultra 2 (otherwise known as the best Apple Watch, in terms of features and specs), and the specs shown off during last week's big iPhone event.

The Apple Watch Ultra 3 packs 42 hours of battery life, the biggest and brightest screen on an Apple Watch yet, satellite connectivity, 5G, and Apple Watch's powerful new software courtesy of watchOS 26. I finally have my hands on an Apple Watch Ultra 3 test unit, and I was very excited to put it to the test.

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