A:AnswerYes. Go to the watch app on your iPhone, go to watch faces and select the format you’d like the time to be shown, then select add and you can hold down the current face of your watch to change the face
A:AnswerYou could download an App calling ECG. Then press you finger on the crown of the watch on the side for 30 second. Breath normal. They read it’s for you and tell you the result. I don’t know it’s this would help you.