If I made a ticking clock out of wood but at the heart of it one gear was made out of metal and put it across the room from a large magnetic source which I coul

If I made a ticking clock out of wood but at the heart of it one gear was made out of metal and put it across the room from a large magnetic source which I could slowly increase the magnetism on.. would that be an apt metaphor for time dilation..? Is the slowing down of time just simply the fact that all matter has some sort of core weight that has more/less friction when under the pressure of gravity?