Tech Brew Ride Home · Wednesday, September 9, 2026
The Apple Watch Series 12 and Ultra 4 are powered by the new S11 chip and feature an upgraded heart rate sensor that measures data every 5 seconds. New capabilities include a 'readiness feature' based on activity, vitals, and sleep, and an 'audio intelligence' feature with sound recognition and live rewind for transcribing speech. Pricing remains the same, starting at $399 for the Series 12 and $799 for the Ultra 4.
“And then there is the Apple Watch Series 12 and Ultra 4 with a new S11 chip, upgraded health tracking and audio intelligence features, a rediness feature, and more quoting 9to5Mac again.”
“For example, the new system now measures heart rate data every 5 seconds, a 60X frequency increase over previous models.”
“Apple is also introducing a new readiness feature. This is based on activity, vitals, and sleep data.”
“Additionally, Apple is adding a new audio intelligence feature to Apple Watch Series 12 and Ultra 4.”