If you’ve ever wondered what 360 beats per second looks like……..
http://s282.photobucket.com/albums/kk252/Sweephand/HiSonic/?action=view¤t=MVI_0455.mp4
There’s more info on the watch here: https://sweep-hand.org/2012/01/07/this-weeks-featured-watch-19-the-hisonic/