The dial screws on this Unitas 6325, that I just started to take apart for a service, just won’t budge! I dressed my 1mm screwdriver as well as I possibly could and checked, under strong magnification, how it fits in the screw slot, but getting it to grip the screw slot good enough just seems impossible. The screws are probably too damaged. I do get a grip, but no matter how much force I apply the screws won’t move one bit. Looking at the screw under strong magnification while trying to unscrew