Sometimes you look at an idea, and you know that it is the Stuff of Genius because the idea is so elegant. That is definitely the case with the Haptica watch for blind people.
This short video explains how watches for the blind currently work:
The idea of touching fragile watch hands sounds ridiculous right from the start. This just isn't a very good solution.
Then you learn about the Haptica watch:
The watch displays the time in actual braille. It's no wonder this watch has won several design awards.