I have now updated the product for use in Blender-2.8 and higher versions of Blender. The handling is better, the shaders work now and I added a few extras. You can now customize the colors for the frame and the dial.
I made a short demo video how the clock looks and works in Blender-2.8
Below are the informations about the older versions of my wall clock (Blender-2.78).
There are three different versions for blender in the download.
Blender Game Engine:
Clock with animation constraints setup for animating the time: