Description
Apple Watch Series 12 is Apple’s 2026 health and fitness smartwatch. The new Health Sensing System and S11 chip enable heart-rate measurements every five seconds, higher-frequency HRV measurements and a readiness score, while retaining advanced workout, sleep, ECG and safety features.
- S11 chip
- Health Sensing System
- Heart-rate measurements every five seconds
- Higher-frequency HRV sensing
- Readiness score
- Ceramic Shield 2 on aluminum models
- watchOS 27







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