Please help! Need some Advice on this OMEGA Seamaster 1979

Hello everyone! I hope you’re all having a wonderful morning/evening/night.

I am currently looking to purchase a vintage Omega watch and

I really just want help to see if a watch I’m excited about is real or not, and I figured who could be better to ask.
All I know is that the advertiser says it’s a Authentic 1979 Omega Seamaster automatic and don't have any original record or papers.

the asking price is CAD 1000 and wanted to ask you guys i

I really appreciate your Thoughts!

Many thanks

Any thoughts?

Thanks, I’ve been wanting to buy a vintage Omega watch and I feel like I lost patience..

thanks again for the advise

Will continue to incolved with the forum until i find the right one!