You asked for the clock's type, and then told us the clock's type. I don't see what you mean.
[i mg]http://t0.gstatic.com/images?q=tbn:ANd9GcSK4WyFmdccg1_QT29eehVjZ MNdqcA5GJsTCGWZa4Stk-pSyUetMzW7uaaM[/img]You wouldn't be able to find one that wasn't any more than half-similar, that stuff don't even have buttons.
honestly don't think he modeled it after something, why would you need something exactly like it anyways