We are big fans of watches and especially like some of the more high end makes that display the internal gears as part of the design. So when we came across the gear clock we were immediately intrigued. A very simple, yet well executed concept, the clock displays the numbers on the large gear and rotates through the hours. Line up the arrow with the number and you know exactly what time it is.
Available here, but it seems that they are currenly out of stock.