Not sure what thread the fork is yet, an already well rounded headset was an arse to remove. The identical replacement struggles to go on.
The 600 cranks have older chainrings fitted, the previous generation golden arrow or arabesque style.
The Campagnolo seat post is very light but is also peeling on the top plate so needs work
The Dura Ace front mech had some almost professional looking copper bands to protect the frame from the mech - but maybe to bump the seat tube size up so it can fit properly