If I had to narrow it down to one favorite, that I own, it would be my 4" S&W 629.
If it is my favorites, they would be:
-.22lr S&W 617 (6") and 63 (4").
-.357 S&W 60 (3"), 66 (4"), and 686 (6").
- .44 S&W 329 and 629 (4"),
AND stainless Ruger Super Blackhawk w/ dragoon
triggerguard & unfluted cylinder and somewhere around a
5" barrel.
All are stainless with adjustable sights, and all are S&W's except the Ruger.