2006
Those were manufactured from 1992 to 1995. They were more or less an advanced prototype and are highly sought after from some dealers/collectors.
No such model number.
The Smith and Wesson model 10-7 was made in the year 1977.
I cannot assign a year of manufacture without you providing a serial number to your Smith and Wesson model 28.
The Smith and Wesson model 4053 was made from 1991-1998.
No such model number.
No such model number.
Your Smith and Wesson model 19 was made in the year 1978 by the serial number that you have supplied.
Standard Catalog of Smith and Wesson, 3rd ed. might have the answer.
With the serial number that you have supplied,your Smith and Wesson model 66-1 was made in the year 1981.
Your smith and Wesson model 64-3 was made from 1977-1987.
Smith and Wesson made the model 686-3 from 1988-1992.