09.09.2026 23:09 Uhr, Quelle: Macrumors

Apple Watch Series 12 and Ultra 4 Offer These Eight New Health and Fitness Features

The Apple Watch Series 12 and Ultra 4 offer a range of new health and fitness features. Here's everything that's new. Apple today revealed the following features for the two new devices: New "Health Sensing System": A redesigned sensor architecture with three main improvements, including increased electrode surface area for better ECG skin contact, photodiodes arranged in a ring for more efficient light capture, and larger, more power-efficient green LEDs for accurate heart rate readings during motion. Continuous heart rate sensing: Heart rate is now measured every five seconds throughout the day, 60 times more frequently than before, viewable via a new watch face complication. Higher-frequency HRV: Heart rate variability is sampled up to 24 times more often, with separate recovery and overall HRV values shown in a new section of the Heart Rate app. Daytime vitals view: A new toggle lets users switch between overnight and daytime vitals, potentially catching shifts in metrics before they show up

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