New Apple Watch Series 12 highlights: improved health sensing system, Readiness app

In an update with few visible changes to the Apple Watch Series 12, in conjunction with watchOS 27, the new model has a new health app called Readiness, and a series of new health monitoring features. New health features for Apple Watch Series 12 - image credit: Apple. If the Apple Watch hardware hasn't significantly changed with the new Apple Watch Series 12, watchOS 27 software has.