You can not tell the model number with just the serial number.
Check the butt.
No serial number provided. Serial # 426742
1980
No such serial number in Smith and Wesson data.
1980
1974
You will have to provide the serial number and a detailed description of the weapon.
On the butt.
Impossible to answer without the serial number.
Look on the butt of the revolver.
@1969
what is my 32 revolver woth