These watches are commonly called Keystone-Howards. The manufacture of key-wind movements was discontinued altogether by 1878. Howard also introduced the first stem-winding watch in 1868, and was probably the first to market such a watch in the USA.
Reeds patented barrel was used on early watches, but by 1868, Howard patented a new steel motor barrel which replaced the Reeds barrels in Howard watches. This watch also introduced the more accurate quick-train to the American market. The top plate was made in two sections (split plate) and had six pillars instead of the usual four found in a full-plate watch.
on the dials and Howard Rice on the movements.
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