age is determined by serial number...and model
The company was founded in 1852 in Norwich, CT. To look up the age of a specific firearm, look up the model and serial number. Calling the company may help in this regard.
Standard Catalog of Smith and Wesson
1855
You will need to buy or find a copy of the Standard Catalog of Smith and Wesson.
@ 1943
1995
27 years old
@32 yrs old
1972
1983-1988
A shotgun made for Smith and Wesson, sold under the Smith and Wesson name.
Standard Catlaog of Smith and Wesson has sn data. Call S&W and they will tell you when it left the factory.
Your serial number was used by Smith and Wesson for the models 10,12,13,45,64,65,547.It dates this serial number to the year 1979.