The Model 19 was my first real handgun love. I was a teen-ager, working downtown in the big city, which for a country boy, fresh off the farm, was a real adventure. I walked into a drug store on Broad Street, and saw a magazine rack. On the rack I saw the first copy of "Guns and Ammo" magazine I'd ever seen. WOW...a magazine about nothing but guns...Who knew? (I really didn't.)
Anyway on the cover of that magazine was the picture of a revolver, done as only G&A could do, with the words..."SMITH & WESSON MODEL 19 COMBAT MAGNUM" in bold print. I thought "Man, that is what a handgun is supposed to look like." In all my years since, I haven't seen anything to change my opinion.
I said in another thread, that I go back and forth between the Model 15 and the Model 19 as to which I like best. Since this is about the 19, I like that one best now. I've owned several over the years, including a 19-4, in nickel. These days, I just have the one, a 19-4, in blue.
How often to clean it? Well, when you shoot it of course, but I don't go out of my way otherwise. I'll wipe mine off with a rag if it gets fingerprints, or something like that on it. I don't ever take the sideplate off. I do remove the grips so I can clean under them. I'll spray the internals with gunscrubber or something like that every so often, then put a couple of drops of oil here and there.
I shoot 38 Special ammo in mine about 99.999% of the time. Paper targets don't take much killing.
Welcome to the forum. Pull up a chair, set on the floor. Coffee will be ready soon.
And enjoy your 19. I know you will.