It is the
$1 It's basically an analogue watch with magnetised ball-bearings in place of hands, which means that they move around the dial to keep time, but if nudged out of alignment will naturally rest in the right place with a flick of the wrist.
There are tactile marks describing each 5 minute interval as you'd see on a traditional watch, and the hour hand" is on the outer edge rather than the watch face, I suppose so you can tell it apart from the minute one.
Takes a little getting used to, but I can tell the time to the minute with 1 finger and no sound at all, so that's pretty good in my book. Expensive (£200 plus), I had mine as a Christmas present and have not looked back in years.