There is also a of the terms provided by the serial number lookup. An 1884 article on the is available on Greg Frauenhoff's website. Over the next hundred years or so of its existence, its output of jeweled watches over 34 million was only exceeded by one other company, the National Watch Co. It was the first successful company in America to manufacture watches in mass production using machinery to make identical or at least, near identical parts. Waltham, MA had its origins in the 1850's. Which is considered the serial no.? If the 1868 date is correct, is it common for the manufacturing date and a monogram be so different in time? Hi Sean: Welcome to the NAWCC Pocket Watch Message Board! The American Waltham Watch Co. On the outer side of the back is my great grandfather's monogram.
One looks stamped 374218, while the other looks engraved by hand 2F63836. Engraved on the inside of the back case I am not familiar with the proper terminology are two sets of numbers. Which is considered the serial no.? If the 1868 date is correct, is it common for the manufacturing date and a monogram be so different in time? I have inherited a Waltham pocket watch from my great grandfather 1893-1984.
I have inherited a Waltham pocket watch from my great grandfather 1893-1984. Several of the original Waltham factory buildings are still standing, and were added to the National Register of Historic Places in 1989. Since your serial number falls between those two numbers, you know that your watch was made in 1917 or 1918. Their vision was to form a watch company that could produce high-quality watches at a lower cost using interchangeable parts. In the article published by Edwin J.Click here: => ?dt&keyword=waltham+pocket+watch+serial+numbers+dates&source=_dt Paillard suggested that the bi-metallic balance be constructed with a palladium alloy for the inner ⅓ portion of the rim and silver or another palladium alloy for the ⅔ outer rim. “The object of my invention is to produce a bi-metallic compensation-balance which will not be subject to magnetic and climatic influences to heat or cold, nor affected by or subject to rust or corrosion - in other words, a compensation-balance practically, if not entirely, non-magnetic, inoxidizable, and non-dilatable.” The patent application specified Paillard’s intent for the new balance: At the time, conventional compensation balances were constructed of steel and brass, allowing for controlled expansion and contraction during temperature changes, precisely adapting the oscillation rate to compensate for metal dilation. On March 8, 1887, Charles-Auguste Paillard was granted a patent for his palladium alloy compensation balance. Pictured: Closeup of the Bi-Metallic Palladium Alloy Balance Patented by Paillard, From a Grade No.