The Hamilton 992B is perhaps the most well-known of all pocket watches. The 992B evolved from the past models of Hamilton.
It is the pocket watch that kept most of America’s trains on time for much of the 20th century.
This pocket watch is a size 16 pocket watch, while not the most lightweight one, it is by far one of the most accurate one.
It has 21 jewels in it and adjusted to 5 positions.
Time setting: Lever-set