Hiero, the flats are stock, they even specifically mentioned that when it first was shown at the Messe Frankfurt.
And you're right about the puny modern tuners - I guess they did anything to make it not neck heavy. Which it isn't, but they stand out visually like sore thumbs. From behind at least (Mark, absolutely no adolescent comments now, inviting as the combo of "thumb" and "behind" might be!).