Authentification please

[DKL]

http://cgi.ebay.co.uk/Omega-Seamaster-600-date-cla...

I rather like the look of this but shouldn't it have a seamaster back?
I was too chicken to post an ebay link on TZ, I didn't think it would be approved of!
Thanks

[DKL]

Thanks GC8 - been looking for a while. Most of these go for 250-300 so is this a rather high?

[DKL]

Ah well - seemed a bit pricey to me in the end. Someone wanted it!
I'll keep looking.

[DKL]

If you find one for 150 let me know will you!

[DKL]

I'm intrigued by all these watches from India etc. I wouldn't touch them with a barge pole but there appears to be decent feedback and they certainly sell for decent money.
So what are they? Bitsas made from genuine parts by skilled people or something rather less genuine.
Or are they the genuine article?