Apple Watch Series 12 Ushers in New Health Sensing System, Oura-Like Readiness Score
The Series 12 incorporates a new Readiness score.Credit: Apple
At its "Surprise and Shine" event on Wednesday, Apple launched the Apple Watch Series 12 with a new Health Sensing System and the S11 chip.
The device's new heart rate sensor uses larger, more efficient green LEDs and a ring of photodiodes, which improves light capture. The heart sensor has a bigger electrode for improved skin contact during ECG readings. The company says this gives the watch its most accurate heart rate sensing in a wearable, according to its own internal study involving about 1,000 participants.
The watch now measures your heart rate every five seconds throughout the day, rather than exclusively during a workout or sleep. It also measures heart rate variability (HRV) up to 24x more often, with separate Recovery HRV and Overall HRV views in the Heart Rate app.
There's also a new Readiness scorethat ranges from...
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