Since ancient times, watch has been a very useful tool for mankind. It’s used to ensure the smooth flow of life go on without a hitch. For example, movements of trains and airplanes are impossible to be correctly scheduled and timed without a functioning watch. Without a doubt, this little timepiece that we always take for granted has very enormous effect on our everyday life, even if we don’t realize it. But do you know there are many types of watches? All 20 watch types can be grouped into three major separation: watch movement type, watch display type and watch function & style type. As all of them serves a different purpose, it’s very important to know about it. With that, we will be able to choose the right type of watch for our need. Here is the list of the 20 types of watches.