I think Jock's outfit is an excellent example of traditional daywear and shows how little the style has changed in over 100 years. There are, of course, differences - a more comfortable shirt collar, slightly different cut to the jacket and waistcoat and the most obvious one - no hat!
What is interesting from the pictures posted, however, is the sheer variety of the Victorians' dress which indicates that there was actually a great deal less conformity then than there is now. Where we see almost identical dress, such as in the photo at the fishing lodge, I am sure they are probably all the product of Saville Row tailors whose style has been repeated amongst them as a result. If we come to the present day and Prince Charles who is illustrated in another thread, we can see the same timeless form of dress (some would call it dated) which is still the trademark of Saville Row bespoke tailors.