Building a mechanical clock is a long, involved endeavor but Chris, who runsthe YouTube channel Clickspring, offers a fantastic look into every step of the process.. You will need specialized skills if you prefer to assemble the parts yourself. It all depends on the type of clock you want to make and whether you assemble a clock from finished parts or are prepared to assemble some of the parts on your own. Making a mechanical clock can be either a very challenging task or a fairly easy exercise.