Apple Watch SE 2: Receive notifications, answer calls and messages, listen to music and talk to Siri without using your smartphone. The watch will keep you informed of what is happening at any time. Defining a training regimen, monitoring activity, tracking sleep phases and supporting medical applications - all this is possible with them. The watch can even recognize a user's fall and report it to the emergency services. Train with a smart gadget and watch the result even under water.