Apple starts preorders for Watch Series 12, Ultra 4 with new Health Sensing System
Summary
Apple announced the Watch Series 12 and Ultra 4 with a new Health Sensing System and an updated S11 chip, enabling higher-frequency heart rate and HRV measurements and new readiness scores. The devices introduce real-time vitals views, overnight and daytime health metrics, and an optional Health app upgrade that includes a Health Age score and access to biomarker labs via Quest Diagnostics. Preorders open now, with shipping starting September 18, and Apple Intelligence features are integrated for enhanced user experiences.