Smith & Wesson Model 37 Chiefs Special Airweight, .38 Special cal. double action revolver.  Serial #649903, mfg. 1966.  Like new condition.  2” barrel has mint bore, fixed sights.  Barrel and alloy frame have near 100% blue finish.  Cylinder is 98% with light index marks.  Case colored hammer and trigger are excellent.  S&W checkered walnut grips are 100%.  Gun may be unfired.  S&W blue box is very good.  Includes cleaning tools and instructions.