The clock uses an idler wheel to move the hour ring so it doesn’t need a separate hour hand. After he built his first design, [wyojustin] realized he could add a planetary gear that could move ...

Many people don’t realize that clock engines have a fascinating feature that makes them more than just timekeepers. This video uncovers a hidden mechanism that adds complexity and precision to how ...

[Uri Tuchman] had a different idea. He wanted to make a clock out of the gears used in the lathe. Can he do it? Of course, as you can see in the video below. Along the way, he used several tools.