US made buckles have engraving like that. However, if it also says "stainless steel" on the back then I would vote fake. I can't really see enough detail to be sure.
I can tell you that I once bought a watch on an Omega branded leather band that had a buckle exactly like that, with just Omega on the back.
Watch was from the 1940's, I think the band was from the 1950's or 1960's. It could have been original to the watch (a steel US Army, Ref. 2179), but I'm not betting on it.
gatorcpa
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