No such S&W model number
@ 1978
1978
1967
your smith and wesson model 60-3 was made between 1988-1989.
Smith & Wesson serial number "AJA" is associated with the Smith & Wesson Model 5946, which was produced in the early 1990s. Specifically, the "AJA" prefix indicates it was manufactured around 1992. For accurate dating, it's best to consult a reference guide or contact Smith & Wesson directly with the complete serial number.
The Smith & Wesson Model 29-2 with serial number N64291 was manufactured in 1979. The "N" prefix in the serial number indicates it is part of the "N" series, which was produced from 1977 to 1982.
There have been thousands of Smith & Wesson pistols produced and the date depends on the model of the gun and then the serial number. Have a gunsmith or collector do an appraisal of the firearm and they will tell you the age.
K276694 was produced in 1956.
Without a serial number the best you will get is sometime after 1977
1969-1970
The Smith & Wesson Model 13-1, which is a .357 Magnum revolver, was produced in the early 1980s. The specific serial number D912707 indicates that it was manufactured around 1983. For precise dating, you may want to consult a Smith & Wesson serial number reference guide.
You will need to call S&W