I cannot imagine why someone would add that little Rado emblem (which appears to be taken from a 1970s quartz movement, rather than something visible...
Ashford does not sell fakes, so you can be sure it si authentic. I do not know wheter that production number is accurate; I assume they got the info...
Lovely, clear photo of two exceptional watches!
Here's a matched set in my household...we're not wearing them today, but I may got get the large one...