It is a hunting Case pocket watch movement in an open face case. This tells us the case was made by the American Waltham Co. and it is made of 18 carat solid gold. So now in this example, you know you have a Waltham Riverside 18K gold hunting case pocket watch made in 1886..Find out info, specs, and value for your antique pocket watch. We offer serial number lookups for manufacturers such as Elgin, Illinois, Waltham, andton..Pocke.ch 101: How to identify various types of pocke.ch cases. Provides pictorial instructions on identification of the most common types of cases for . - Identifying a vintage pocket watch, with few exceptions, is easy and requires few or no tools. Vintage pocket watches from the late 19th century .