Their revolutionary business plan was to manufacture the movement parts of watches so precisely that they would become fully interchangeable.
Based upon the experience of earlier failed trials, Howard and Dennison eventually perfected and patented their precision watch making machines, creating what has been called the American System of Watch Manufacturing.
This is probably the most common question watch collectors have.
Sometimes it is easy to answer, and sometimes it is impossible.
If you are lucky enough to own a Waltham watch then you will want to know how to work out the Waltham pocket watch value.
A useful source of information is the NAWCC website which has a searchable database.
The Waltham Watch Company, also known as the American Watch Company, made over 40 million watches, clocks and other precision implements between the years of 18.
The watches are highly collectible and people often want to know Waltham watches values.
The original name of the company, which began operations in 1851, is unclear.
Some sources say the name was the "American Horologe Company".