First, the case number and serial numbers are different. The case number is the same for all the watches with that same model, the serial numbers are unique. The number on the movement should match the one on the cards (if it came with them).
Second, what the heck is up with that movement pic! There should be a metal ring around the movement that is screwed into it. See those two empty screw holes? It looks like the pieces of the ring that screw to the movement are laying on your case back, so where is the ring? If that is how the watch came to you, it ain’t right.
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