Case back is fine - they are brushed like that on these cases. I currently see two styles of dial, and any with stick markers have OMEGA under the applied logo, and the automatic under that, with no Seamaster on the dial anywhere, or Seamaster written above 6. The only versions I see with OMEGA under the logo, and Seamaster and automatic above the 6 are with Roman numerals on the dial. Also none shown in purple for either case reference.
And just to be clear, it's not me...
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