A regulator watchRegulator watch A regulator watch is a type of watch that has a separate dial for the hours, minutes, and seconds, with each displayed on a different sub-dial. The layout of a regulator watch is designed to emphasize the importance of accurate timekeeping and make it easy to read the time. This type of watch was originally used in clockmaking and watchmaking workshops to set and regulate the time of other clocks and watches. [Learn More] is a type of watch that has a separate dial for the hours, minutes, and seconds, with each displayed on a different sub-dial. The layout of a regulator watch is designed to emphasize the importance of accurate timekeeping and make it easy to read the time. This type of watch was originally used in clockmaking and watchmaking workshops to set and regulate the time of other clocks and watches.