Open the cylinder and see if there is a model number stamped on the frame. Also, how is 'ATF' marked on the gun? List the markings EXACTLY as they are and where they are on the gun. sales@countrygunsmith.net
It should be marked on the barrel.
The Standard Catalog of Smith and Wesson, 3rd edition, by Supica and Nahas.
Early Harrington & Richardson revolvers did not HAVE model numbers, but model NAMES. In your case, the model name is "22 Special".
Should be marked on the barrel
Depedns on what the barrel is marked as to caliber. Could be rim or centerfire.
Caliber can not be idenitifed by sn. Take it to a gunsmith if it isn't marked on the frame or barrel.
Should be marked on the barrel. It is impossible to tell caliber from the information you provided.
1962
No such caliber as .32 Special. Use the caliber of ammo marked on the gun.
It will be marked on the barrel. The barrel is marked "Made in Portugal".
IF the revolver is marked ".22 LR" yes. If it is marked ".22 WMR" or .22 Mag" or " .22 WRF", then NO.
If not marked on the barrel, take it to a gunsmith for testing.