>> Also, if you run your fingers around each watch, you can feel the difference in Lange's better finish.
According to this scientific study, blind people have better tactile spacial resolution than non-blind people, and even that is only about 0.8 mm with their dominant fingers. To claim that you can differentiate between the level of finish on two polished metal cases is spurious at best.
http://www.neurology.org/cgi/content/abstract/54/12/2230
You must have bionic fingers, or perhaps just blindly biased