Welcome to the forum!
As Norman states, it's darn near impossible to have such a pristine dial survive conditions that would tarnish a movement to such a degree!
While somewhat attractive, I feel sure the dial is a François reinterpretation of a Swiss work of art.
Note the extra gap between the E and G of OMEGA and the irregularity of the right side of the logo.
Always compare the aging of all the parts!
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