I wish I had that awesome jacket, I'm just taking a guess but would that be a smoking jacket he's wearing? If those are his military trousers the stripe width will tell you what rank he holds.
This is a man who put a lot of thought into his wardrobe! The bow tie looks like it is a starched tatted lace like my grandmother used to make. The pants look like they have more than one stripe on each leg. The perfection of the mustache is also impressive.
With that outfit, this gentleman would have been right at home on Carnaby Street in London in the mid 1960s! Apparently he was also at home in the 1860s too.