1. Stay focused during working hours
2. Keep those germs off your phone
3. Enjoy some off-screen time
4. Have fun with your watch
Use your watch. Play and test all those complications. Take some nice pictures and post them online. Clean your watches, reorganize your collection or if you dare disassemble one of them.
And if you are unfamiliar with the fascinating world of watches why not start with educating yourself? You can begin here with 5 Types of Watches. As you can see there are many ways to keep yourself entertained with any kind of watch.