It has 130 rear spacing.
I have a brand new Dura Ace 7410 1" threaded headset which I can chuck in for the price. You will need to source some bearings for it as I have used them on another build.
Its a BSA bottom bracket.
I have measured the stack and reach as accurately as I can so it should be within a millimetre or two. stack is 545mm and the reach is 390mm.