1955
No serial number provided.
@ 1970
No way to answer since a serial number was not provided.
Call S&W and they will tell you when it left the factory. Build date could be from a few weeks to a year before.
Call S&W
If you call S&W they will tell you when it left the factory. It could have been made a week to a year before that.
I have a mod 41 ser.# 137xxx and it was made in 1970. it has the cocking indicator. You can call S&W and they will tell you the date of manufacture and it,s free.
You will have to call S&W to find out.
You will have to call S&W
You will have to call S&W
You need to call S&W