Call S&W and they will tell you when it left the factory.
can you show me a picture of my .32 cal. Smith & Wesson hammerless revolver serial #182202
You need the services of a gunsmith.
0-300 USD depending on exact configuration, condition, accessories, finish, papers, etc..
You must call S&W to find out.
1995
No serial number provided. Serial # 426742
1979
Check the butt.
No serial number provided.
without the pics it sounds like a new departure first model made from 1888-1902
email the serial# to smith & Wesson and they will respond with the date
1980