My first hasselblad as well - big advantage over the 500c/m was the brighter focus screen.
I’m sure I managed to fit the meter knob on mine - perhaps by using the metal retainer from the plastic case that came with the meter knob. In the end I went back to the standard crank preferring to estimate exposure.
As you show, it’s a brilliant travel camera with WLF and 80mm, it is indeed quite compact.
It's the weird colour scheme that freaks me. Every time you try to operate one of these weird black controls, which are labeled in black on a black background, a small black light lights up black to let you know you've done it.