Somebody that studies time could see the long run and know how time works.
What tools does a horologist use?
A horologist uses a number of tools to determine time, together with a chronometer, watch, and pendulum.
Why are complications called?
The term “complications” comes from the Latin word “complicatus” meaning “to induce to be complicated.” It is because when something is complicated, it can be hard or time-consuming to learn how to get it done properly. For this reason complications are frequently known as “complications.”