so its 3cm top tube shorter than your current bike, but you are much more hunched over to get down to the handlebars... so its a further reach essentially - hence why the top tube is shorter. - Usually used with pursuit bars or bullhorns to really strech out on.
I think the seat tube length is the important measurement (which looks to be correct for you) - the reach can be tinkered with, with different stems and bars.
so its 3cm top tube shorter than your current bike, but you are much more hunched over to get down to the handlebars... so its a further reach essentially - hence why the top tube is shorter. - Usually used with pursuit bars or bullhorns to really strech out on.
I think the seat tube length is the important measurement (which looks to be correct for you) - the reach can be tinkered with, with different stems and bars.
in other words, i think it sounds about right.