This watch is listed on eBay as "RUNNING GREAT REAL CLEAN". Is that gunk I see between the bridge and rotor and back of the lugs or is it rust?
The movement looks clean enough, so I wouldn't worry about the inside lip of the case. The terrible redial would, however, kill it for me.
Looks like dirt/oil on the movement. That should clean up with a good service. I am concerned about the dial. The fonts look terrible. The A in Omega is a different size than the rest and the Automatic looks very poor. I say redial.
I wasn't interested in buying, I saw the dial issues. I was just wondering if what looked like rust was just gunk.