I have a 60-3 That has a heavy 3 inch barrel. It's factory brushed stainless RB with a bobed hammer and is DAO.
Came with Hogue rubber grips, all factory. It's special run(2000) made in 1989 (sn/ BDWxxxx) after the 3inch SB. I also have a 3'' 60-9 (121 made) and a 60-10. Love the 3 inch Smiths