With no precious metal in sight, neither of these two conforms strictly to dress watch tradition (I am ashamed to confess that the Archimede even has lume!).
Nevertheless, with a wedding impending (not mine!), one of them must be press-ganged into a tuxedo. Fortunately, both are svelt enough to slide easily under the cuff should they risk offending anyone's delicate horological sensibilities.
Enough of that! The poll question: which works best for dress?