A watch's movement is one of the most important parts when you're trying to choose a watch. The movement of a watch is essentially the insides of your timepiece and what keeps your watch going. There are different types of watch movements. Including anatomical movements, Japanese quartz movement, and mechanical watch movements. But the three main primary types are manual, automatic, and quartz watch movement. Each of them has their own pros and cons. The most accurate watch movement is arguably the quartz movement because of the quartz crystal inside of the watch. Mechanical watches have the power preserved in the mainspring. Automatic or self-winding watches are close to mechanical watches, but they don't require manual winding. Instead, an automatic watch gets the power your movements throughout the day while wearing it.