The analog are these wheels down in here that tell you the time by slowly, turning around and are set with the crown the box here is the smarts. This is the digital aspect of it. That gives you your time of day and digital with the date and Bluetooth, tethering and power and heart rate, and is really fast on and off. When you press it, you can get into a timed running event. You can see your step count. Distance traveled and calories burn. You also have display when you hold it here of your blood pressure loop again, you get your heart rate. These are all recorded and can be passed to the app as well overall sleep time and a power off button round.