Show me what you got!

I've been in discussions with this seller and he maintains that this example is all original. Since when was there ever a Speedmaster Mark III with a Seamaster dial, not to mention those hands? Looks like a frankenwatch to me. Has anyone dealt with this seller? Thoughts?

dear all, I have been reading your threads for a long time, learnt a lot about omega watches and felt I needed to thank you for all the information I have been able to get. I do love watches, but am not very familiar with omega (I'm more JLC-minded). Nevertheless, I found some months ago a...