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I’ve found a pretty good match but need to find my gauge for the tube. It’s definitely an Omega hand, but it’s not NOS. Rough measurement is 13.5mm tube to tip, and 17.5mm tail to tip.
So here’s a scaled picture. I took a photo of the hand next to a ruler, and over layered it onto your picture with it scaled according to a 35mm case diameter. Then put the hands next to each other. I’d say they’re a pretty solid match. Mine appears to be slightly narrower, but it was probably tilted over because of the tube and that might be the reason.
Fantastic, looks pretty spot-on to me!