Apple Watch Series 11 is a watch line in the smartwatch series of Apple Watch.

The series was released in September 2025 and is the most durable and health-focused version of the Apple smartwatch to date.

The health features include the following functions, among others:

• ECG app
• Vital Signs app
• High blood pressure notifications:
  • Notifications can be displayed based on changes in high blood pressure patterns
  • Blood pressure readings can be logged
• Sleep apnea can be detected and displayed
• Workout app for runners or swimmers

Improvements over previous models:

• More scratch-resistant display
• Significantly improved battery life
• Introduction of 5G connectivity

Like the other Apple Watch models, the watches in this series feature a processor chip whose WatchOS operating system provides a wealth of software features (→ Apple Watch > Operating System).