Waltham etched a serial number on every watch movement along with its name and trademark.
Unlike other watchmakers, Waltham went the extra step by usually identifying the model of the watch on the movement as well.
This information can be used to find the year that the watch was made.
Today, Waltham watches remain highly desirable collectible timepieces. The watchmaker kept thorough records of its products.
Pocket watch case backs vary in design and require different methods to open. For example, 1856-1857 Waltham pocket watches will have a serial number between 40. Note and record the model name, such as “Riverside” or another model name on the movement.
For hinge back and bezel cases, examine the case back with a jeweler’s loupe or the naked eye for two small hinges on the case back. Pry the case at the opposite end of the case back first with a fingernail. A 1957 Waltham watch will have a serial number of 35,000,000 or greater, according to Use the jeweler’s loupe to note the “American Watch Co. Obtain a Waltham serial number list from the numerous online pocket watch sources or from an experienced watchmaker with an expertise in vintage watch identification and repair.
American Horology owes much to the brilliant visionaries of the Waltham Watch Company.
Bacon, Church, Dennison, Fogg, Howard, Marsh, Webster, and Woerd all contributed greatly to American watchmaking.