I'd say the Mk. XVIII if you're attending a high class social event, the Patek for sports, the Breitling if you're going to a dinner or something, and the Rolex if you're just going to walk around the city.
Meanwhile, by late September, I won't have much of a choice regarding my weekend watch: the only good looking one I have is my B01 (or, more accurately, the only good looking one I'll have by then), and I'msupposed to fly and deliver parts for the yacht Ragnar
https://arconyachts.com/en/shipyards/icon/projects/icon-ragnar-68m to a big client... So it looks like I'll have to look as well-groomed as possible!