Dating longines watches by serial number
Please remember that this is just an approximate guide and can not be used as a 100% accurate outlook as per how old your watch might be.Should you require a more conclusive valuation of your time piece then please do not hesitate to To determine the approximate age of your watch, open the case and find the serial number, usually found engraved on the movement or the case back itself, then match it up with the list on this page.
Since your serial number falls between those two numbers, you know that your watch was made in 1917 or 1918. Cases and watches were often made by different companies and each usually has its own serial number. Be sure to use the table that is specific to YOUR brand of watch when looking up your serial number.
The dial also will help the watch owner identify the Wittnauer as an automatic self-winding model or manual wind version.
Wittnauer self-winding watches will have the word “automatic” printed above the 6 or under the Wittnauer name at the top of the dial.
Not all vintage watches can be dated using the serial number.
Some American watch brands did not use a consistent series of serial numbers, but most of the big manufacturers did.