Cook him his fave dish and enjoy it with a chilled beer- he's going to love it!
You've been with him for years, u know his interests and how he is as a person. Book something on cherish X or many many other online portals. I find bobble heads an innovative and cute idea. Beer mugs, Clothes remain the obvious options.
Why not gift him a DIY film-roll frame, containing all your precious memories!
DIY something . Also cook his favourite dish
You can gift him an amazing t-shirt / accessories from punkindia.com
There are so many options available online.
Maybe you can order him a grooming kit from man company or bombay shaving shaving. Father's love that