I made another similar pocket watch diorama for my sister-in-law's birthday. She asked us where we got it from! She was a bit amazed when I said I made it. :-)
So where next?
I have no more old pocket watches left. I've been thinking of making diorama frames out of clay at my ceramics class which starts soon, a simple frame with a bit at the top to put a nail through. I can't think what else I can use as a frame - it would be good to use a byproduct of something else that's not needed, as I like giving objects a new life.