No such serial number in Smith and Wesson data.
Check the butt.
1980
1980
1974
No serial number provided. Serial # 426742
You can not tell the model number with just the serial number.
You will have to provide the serial number and a detailed description of the weapon.
@1969
Impossible to answer without the serial number.
On the butt.
Look on the butt of the revolver.