Definitely a redial. The more I look at it, the more sure I am. I can't speak to it being white-gold, but I have doubt. The case is in pretty darn good shape for a 'soft'(material wise) case that lived a life bad enough to need a redial. I could be wrong, but that seems inconsistent to me.
There does appear to be a hallmark on the lug in the last photo and a steel case would not have a white medallion, so it is likely white gold. Would be nice to have some inside photos.