With each changing minute, an electrical pulse generates an electromagnetic field that changes the position of the crystals on the face of the watch, to elegantly display the passing time, while producing a distinctive sound unique to the Phosphor Reveal digital watch line.

ENGADGET: Phosphor's Reveal wristwatch uses Swarovski crystals to tell time, bedazzle you

To keep a pulse on the rapidly evolving solar market and better understand what companies need to do to better position themselves for the future, PwC has published the PV Sustainable Growth Index, a ranking of the largest publicly traded solar companies, for the last eight years.

FORBES: Solar Leaders Pull Away From The Pack