I have run into a brick wall with this one.
I think whoever last serviced it many decades ago must have forgotten to oil the top pivot of the escape wheel. All the other wheels are fine but the escape wheel top pivot is 80% cut through.
So, I need an escape wheel and would like a balance staff (it is lightly scored but quite able to be repolished ) although that is not as critical as the escape wheel.
I have tried everywhere in Australia and scoured the net, but I cannot identify the movement.
It is branded Alpina on the movement and dial, but I know they used movements from a number of other makers.
It is in a gorgeous 14k hunter case and would be a real shame to have it probably end up being scrapped if I can't repair it for its sentimental owner.
It is about 19 ligne; 42.95mm main plate diameter and 40.8mm across the back bridges.
It is quite slim, 3.9mm excluding the canon pinion or 5.7mm including canon pinion.
Once again, over to the collective wisdom of the best and most experienced minds I know of.