Geneve Cal 286 with Roman numerals

I'm tempted to buy this Geneve because it looks unusual to me, especially the striped hands. Also, the oversized Roman numerals appeal to me. I've spent the last couple of days researching the internet for similar Geneves without any success (first sign that it's fake or franken?). First, I have never seen striped hands like these on a vintage Omega during my research. Secondly, Cal 286 seems to be associated with the Seamaster 30. Also, no reference number exists on the case back. Are there instances where Omega did not include reference numbers? Seller is asking $170.00 Thank you in advance for any advice you can share to a novice vintage Omega collector!

Bit of a dog, indeed...but maybe with a little Polywatch and *a lot* of elbow grease for starters?

Thank you for your advice, JimInOz.