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Apple Watch Series 12 and Ultra 4 introduce a new Theater Mode setting - 9to5Mac
Publisher description: Apple Watch Series 12 and Ultra 4 include a new Health Sensing System that dramatically improves heart rate data. The...
NewsAPI | Sep 21, 2026 | Zac Hall
Automated excerpt
Apple Watch Series 12 and Ultra 4 include a new Health Sensing System that dramatically improves heart rate data. The new watches measure heart rate every five seconds, a big increase over the five-minute rate from prior models. Apple Watch Series 12 and Ultra 4 are both available now.
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