Real or Fake Vintage Omega Deville?? Help

Hello everybody. Been wanting to buy a vintage watch for a while now but I'm a rookie and I often find myself having trouble identifying real watches (omegas) with fake watches as I am not yet familiar with many of these pieces and often don't know what to look for. they all look promising online. I recently stumbled upon a vintage omega 1417 deville on ebay. I want to get a second opinion from you guys (the experts) to see if anything looks off or unusual with this watch. Thanks again.