I don’t know if this is officially retro or not, but a company called Dynomighty has been patenting some interesting Jewelry designs that incorporate magnets.
The one on the right, for which you will find a Dyyyynoooomite video after the jump, reminds me of the Twisto-Flex. Remember that watch and those commercials?
In those days concept watches were all the rage. Dick Tracy. James Bond. Those cool Casio watches that required two hands just to turn the red light on so you could see the time… classically lampooned on Saturday Night Live…
Here’s the video: