You can contact S&W to find the age of the pistol and possibly other information as well based on the serial number. Ask for a "factory letter" many companies such as Colt have records dating back into the 1800's, companies that have moved or suffered a fire or other disaster may have lost records of specific firearms but should still be able to give you an estimated manufacture date based on the serial numbers place in the production run. Companies CHARGE for the letters but may answer your question for free.
Any old firearm should be looked at by a competent GUNSMITH before using modern ammo,