Pocket watches were first developed in the 16th century and were popular portable time pieces until approximately the time of World War 1. They were originally worn as a pendant on a chain around the neck and later on in the 17th century, they were small enough to be worn in a pocket. A ‘hunter’ or ‘full hunter’ pocket watch has a circular metal lid or cover, spring-hinged, that shuts over the watch dial. The cover protects from dust, scratches and damage. A ‘half hunter’ pocket watch does not have a metal cover or lid.