Time seems to operate in a spiral. The hours creep along, one by one, until you’ve reached the final one, only to have them start again from the beginning. It’s this very idea that gave birth to the Spiral Clock, which takes the notion of moving hands and turns it on its head.

Rather than having individual hands that rotate on the face of the clock, the entire thing spins slowly. As the face rotates, a ball will let you know the approximate time by rolling past the various numbers. When the clock strikes twelve, the ball will fall into a hole and come out the bottom, ready to start its journey again. While you might fancy an unusual clock like this, it’s doubtful that most people’s bank accounts will accommodate the $780 price tag.