Well no, it isn't. Looking that strap up on the Omega Extranet, and checking what watches is used on does not bring up the Speedmaster Pro. It shows that the strap is used on a number of DeVille watches, and two Seedmaster automatics with the Cal. 3301, but not the Speedmaster Pro.
I'll add that the label on that package is most certainly not something that came from Omega, and very likely something added by the seller. I've ordered many Omega straps and quite honestly that is more than a bit off in my books.
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