The Elgin and Hamilton were dated by serial number, while the Gruen was dated by an inscription on the back. In the 1930's there was a style change from highly engraved cases to smoother cleaner lines.
The "New Haven" was dated by looking at the style of the watch. Notice that the watches from the early 1930's still have engraved cases.
The dial and crystal go right to the edge and the lugs are smaller.
Some companies (as with the Gruen Watch Company), even lost rocords to fire or other natural disaster. I am sure they had no idea that their timepieces would someday be collected.
There are several ways to get an idea of when your watch was made.
These numbers are stamped on the back (outside) of the case. The code was usually stamped on the back of the watch case.
If there is no two symbols, it could be that your watch was made before 1948. For exabple, If you have a Bulova watch with the stamp M3 then it was made in 1963.
This is probably the most common question watch collectors have.
Sometimes it is easy to answer, and sometimes it is impossible.
Over a year ago I shared my “11 Ways to Tell It’s Vintage by Labels & Tags.” The story was such a hit that it inspired me to write stories on how union labels and the construction of your vintage garment can help when determining a garment’s era and fashion history. Secondly, the production country of a modern garment is typically found the tag — not frontside, as seen here on this 1980s Jeanne Marc label. a boutique’s address with the absence of a zip code. Today, (Manhattan) New York has more than 40 different zip codes. either the absence of, or the design of a “Woolmark.” HOW OLD?
This article is your go-to reference for tips and tricks to reveal a garment’s probable vintage era based on the details of its labels and tags alone! Approximately the year noted on the tag, or a few years later. A.” or the design of an American flag on or near the garment’s brand tag. WHY IT’S VINTAGE: While statistically speaking I don’t have the numbers to back it up, we can all agree that only a small percent of garments today are actually Made in U. Clearly, “De Pinna” wasn’t aware of theirs when they made this garment before 1963! Pre-1939 if the made-from-wool garment has no label identifying it as wool. WHY IT’S VINTAGE: According to one of my sources, half sizes were introduced in 1940s sewing patterns for “shorter” women.
By the late 1930's mens watches were more masculine. This was made possible by the advent of square movements.