Check the butt.
No such serial number in Smith and Wesson data.
1980
1974
1980
No serial number provided. Serial # 426742
You can not tell the model number with just the serial number.
The Smith & Wesson 586 revolver with the serial number AJY4338 was manufactured in 1983. Smith & Wesson typically uses a letter prefix in their serial numbers to indicate the year of production, and the "AJY" prefix corresponds to that time period.
You will have to provide the serial number and a detailed description of the weapon.
Look on the butt of the revolver.
On the butt.
@1969
Impossible to answer without the serial number.