Welcome to OF, and my condolences on the loss of your father. It will probably be difficult to say with certainty if the watch is fully correct and authentic without seeing the inside. The reference number is often engraved inside the case-back, and the serial number and caliber are engraved on the movement.
Regarding the dial, could you please move the hands so they are not obscuring the logo and printing and take some clear photos. That will help the members evaluate the dial for originality. I'd suggest taking some photos in natural light, so that the illumination is more even.
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