Just what did I get

I picked this up two days ago. It is a watch strap. It is too big for me to use as it is use to strap the watch not on the wrist but outside a suit.

So did it come with a watch? Yes it did. And this is it. Yes it is a Omega Speedmaster. But which one? Well wait for tomorrow.

The case back.

It is one of my grail watch.