Junghans 620.00: bad manufacturing

 This one was torture. The movement had a broken escape wheel and missing exit stone so got a 620.52 donor movement.

However the movement was basically unservicable due to every steady post in the movement being extremely tight, badly finished or even crooked. So this movement commits the worse sin of all: horrible manufacturing.

The balance wheel was also warped and while trying to get the hairspring out it broke. 

 The donor did not have the same problems but unfortunately it did not fit in the case.

 And that horrible integrated barrel arbor/ratchet wheel design is just horrible.

I want to forget I ever came across this movement. An expensive lesson.