Is there any function added to Watch6 Classic and Watch6?

Sleep (Enhanced)

-Intuitive sleep info: updated visual for user-friendly and intuitive information
-Sleep coaching: now you can check the enhanced sleep coaching result report on your watch.
Invisible LED during Sleep Mode: during sleep mode, the green LED is changed to an IR LED, which is invisible and does not interfere with your sleep.

Heart Health Full-package

-HR alert: Watch6 screens the heart rate in the background and alerts when an abnormally high or low heart rate is detected.
-IHRN (Irregular Heart Rate Notification): If five or more results of the consecutive six measurements are potential atrial fibrillation at 10-minute intervals,Watch6 will notify you of irregular heart rhythms and encourage you to take an ECG measurement.

Running

-Advanced running analysis: analyzing the runner's posture (asymmetry, contact, and flight time) for efficiency and injury prevention
-Personalized HR Zone: Provide personalized HR zones according to the runner's cardiopulmonary capabilities and purpose of running.

Exercise
  - Automatically recognize bike workouts
  - Improved accuracy of major exercise modes: indoor swimming, treadmill stride correction, track running, custom workout