It is definitely cool. If it was cheap just keep it and continue to jin up interest in it. Make a buck some day. Modifying it will reduce the only thing it has. Originality.
Yea that clock is so different. Do what you can to find/make replacement tags for the numbers. check to see if they are inside? What do the speaker posts look like? Fixing them is way better then soldering wires. Think of how you would like to find it if you were a buyer.