![Karim Zaouai “Ferrowatch” 2 Karim Zaouai “Ferrowatch”](http://uniquewatchguide.com/image-files/ferrowatch.jpg)
This concept watch keeps time using “ferrofluid”.
Ferrofluid is a liquid made of microscopic magnetic particles which become strongly magnetized in the presence of a magnetic field.
The field in this case is designed to imitate the movement of a watch.
Price:Concept
Source:Link