Jan 21, 1. The only source for looking up the serial number to determine date and description for the post WWII period when your watch was presumably made in the book, "Serial Numbers with Description of Waltham Watch Movements". We refer to it as "The Gray or Grey Book" because the original apparently had a grey or gray cover, not because of the mood it inflicts upon the user! My copy a reproduction goes up through , and was thus probably published c.
American Waltham Watch Company: History, Serial Numbers, Production Dates
Click here to view additional historical photos of the Waltham factory. Their vision was to form a watch company that could produce high-quality watches at a lower cost using interchangeable parts. With financial backing from Samuel Curtis, of small-arms manufacturing fame, the watch production began in , and the first small group of watches were finished in late The first watches produced went to officials of the company, and it was not until that the first watches were offered for sale to the public. Problems were encountered with the new production methods.
How to Find the Serial Number on a Waltham Wrist Watch
None have been observed so the location of the unjeweled pivot is unknown. Essentially all the early ones are AWCo grade and have cap jewels in addition to hole jewels. This results in 19 and sometimes 21 jewels. Most have cap jewels in addition. Normally on the balance but also on other arbors e.
Today, Waltham watches remain highly desirable collectible timepieces. Dating a Waltham is an easy task. The watchmaker kept thorough records of its products. 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.