Man am I a geek. I actually want this thing.
Here's the link http://www.thinkgeek.com/cubegoodies/lights/59e0/
This isn't truely binary, the hours should be one line upto 24 and the minutes similar upto 60.
This isn't binary. This is BCD. You geeks...
If you like Binary Clocks, then check out this one at www.binaryclock.net it actually displays ones and zeros instead of just LED lights.