Purely a personal view but my take is that the Omega (4) and the Lemania would qualify as 'dress' watches, fine dressed down but also good with a 'lounge' suit or a dinner jacket (tuxedo) but the other two, whilst perfectly nice, and wearable with anything, are not classic dress watches.
I await the justifiable brickbats!
I agree that 1 and 4 are dress watches, but I believe that a tuxedo requires a black dial (on preferably gold watch).
A gentleman, wearing a tuxedo (I assume you mean "evening dress"?), does not wear a common wrist-watch. He wears, instead, an understated pocket watch in his waist-coat.
I always enjoy an elegant smaller sized gold watch for the most dressy of occasions. This would be my go to at the moment a 34mm Omega Geneve:
In the broader understanding of the term where business wear is concerned I would probably lean towards stainless steel and again smaller in size, like this IWC:
Or for a smart casual, 'technical' professional, maybe something that shows more personality like an older watch from the 40s, like this two tone Zenith:
I always enjoy an elegant smaller sized gold watch for the most dressy of occasions. This would be my go to at the moment a 34mm Omega Geneve:
In the broader understanding of the term where business wear is concerned I would probably lean towards stainless steel and again smaller in size, like this IWC:
Or for a smart casual, 'technical' professional, maybe something that shows more personality like an older watch from the 40s, like this two tone Zenith:
Really like the Geneve - thats a good period for them. Not sure that the later ones were as attractive a watch.
