I'm looking to get a peacoat from one of the big three american manufacturers, leaning Schott at the moment. They all claim to be small and suggest sizing up, even some of the reviews advise it, but several places in this thread seem to suggest the opposite and sizing down. I have a 43" chest, relatively thin in the waist, and wear a 42 jacket. Should I stick with my normal size, go up go down? Also, any preference on coats? I'm currently looking at the 740C, but am not sure about the leather lining on the arm seams.