At around :50 when the camera pans off to the side, all sense of depth in the clock vanishes.
This doesn't strike me as a very original effect. It would probably not be a great feat to produce a similar, more convincing effect with some kind of prismatic display surface or even some kind of robotics.
fatatty Actually that's exactly what this clock is. Sadly he is not actually in the box.
kennydra That's the whole fucking point you stupid monkey.
memedumpster If he were a clock in a McDonalds he would have the ultimate dead-end job.