It tells time and date. It logs and tracks position. It measures light. It calculates heading. It blinks. It buzzes. It slices, dices, makes julienne fries, breaks the sound barrier, goes faster than light, splits the atom, and hums a jaunty tune! Ok I may have gotten a bit carried away. But it’s friggin geek awesomesauce on my wrist. That’s what it is.