Tough call. Very tough indeed.
Completely different vibe and feel between those two watches. Are you more sporty or live by the ocean? Then I would perhaps go with the Daytona.
Hard to beat a YG Day-Date/President though. The quintessential gentleman's watch, I particularly like the stick dial myself.
Then there is always the happy compromise - 116718 18K GMT! :-)
or vintage, of course!
[borrowed photo]