The serial number starts with three letters. What you have listed looks like an assembly number. The sn is located on the butt of the pistol
The Smith & Wesson Model 659 was introduced in 1978 and was produced until approximately 1990. To determine the specific year of manufacture for the Model 659 with serial number TAT 2439, you would typically refer to S&W's serial number lookup resources or production records. However, the "TAT" prefix suggests it was likely made in the mid to late 1980s.
100-450 USD
You will have to call S&W to find out
1969? 1969? 1969?
You will need to call S&W
With no other information supplied, 100-500.
the gun was made in 1984 it is probably a third generation
50-350 usd
50-500 usd
50-450 usd
100-450 usd
Depending upon condition, $200 to $300.