What are the relevant similarities and differences between Paley’s watch and the universe?

What are the relevant similarities and differences between Paley’s watch and the universe? Is the watch analogy a good one? Why or Why not? What is Aquinas’ s first-cause argument? Does it prove the existence of the traditional God of theism? Why or why not? Explain an objection to Anselm’s Ontological Argument (either Kant or Gaunilo).