Apple Watch Series 12 help you better understand your body and everyday fitness. The redesigned system of optical and electrical sensors, together with the S11 chip, enables more frequent heart rate measurements. Improved sensors and larger, energy-efficient green LEDs provide more data about heart activity.
Every morning, the readiness overview gives you an easy-to-understand score based on recent activity, vital signs, and sleep. The value changes dynamically throughout the day, making it easier to estimate when the right time is for an intense workout and when it is better to recover. The sleep score feature analyzes sleep duration, the regularity of falling asleep and waking up, as well as individual sleep stages, and provides a morning overview for better-quality rest.
The watch also measures HRV, or heart rate variability, as often as every five minutes. For sports activities, it offers more accurate step counting, advanced metrics, and the Workout Buddy feature. Health features such as cycle tracking and ECG are also available, along with practical safety options:
