The device utilizes its heart sensor and an algorithm to analyze blood vessel responses over 30-day periods, alerting users to potential hypertension patterns.
Apple aims to identify one million people aged 22 and older with undiagnosed high blood pressure within a year through this new technology.
The company is currently seeking regulatory approval for the feature, which was developed using data from over 100,000 participants and validated on more than 2,000 people.
High blood pressure is a significant health concern, often without obvious symptoms, and the new watch also introduces a 'Sleep Score' feature to monitor sleep quality.