Time and Space Watch

Zhao Fan is an out-and-out otaku. His only dream is to be with a computer. Suddenly one day a transparent ring-shaped object appeared on his computer desk out of thin air. It was called a time-travel watch. Zhao Fan didn't know where this watch came from, but he knew that this watch had the ability to transcend time and space, and its functions did not stop there. Getting rich from now on is not a dream, but its only side effect is that it will occasionally be involved in the turbulence of time and space...