Do you use it with the display always on, or do you have it wake up whenever you look at the display? I have a Garmin watch with a transreflective display, and

Do you use it with the display always on, or do you have it wake up whenever you look at the display? I have a Garmin watch with a transreflective display, and end up charging it ~once a week with 1-2 hours of activity tracking per day.