Description
Apple Watch Ultra 4 is Apple’s 2026 adventure and endurance smartwatch. It combines the S11 chip and new Health Sensing System with higher-frequency heart-rate and HRV sensing, readiness insights, satellite communications and extended battery life for outdoor workouts.
- S11 chip
- Health Sensing System
- Higher-frequency heart-rate and HRV sensing
- Readiness score
- Up to 45 hours of outdoor workout tracking
- Advanced on-device GPS
- Natural or black titanium
- watchOS 27








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