I am a big fan of Stowa, so that automatically makes it a front runner...but there is something to be said about a hand wind watch....that brings the Nomos back into the picture...hard choice.
Not a fan of the Airman style, so if it were me, I would narrow it down to the first two, with Stowa having a slight edge. However, I sort of like the Airman with the Black...
BTW - I love all of those watches from WUS that you provided links for. All very worthy for anyone's collection! The CF on the Seatime is awesome!