1967 Ambassador "Y"
movement 12EBACD (Buren1322)
nice overview of Ambassador models from the sixties, I hope do not mind external link
advert is not very readable, here is filtered description, advert is up for grabs on eBay
You are making it very hard not to be very jealouse of you Jabs.
Very beautiful Amabssador, I think I hate you. If you give me the source of your fab watch suppliers I will like you again.
John, my suppliers are on ebay, sometimes it's just a coincidence that I find something for less money
Ambassador 'N', another goody J.
Ambassador Y works for me
Looks like a match to the "Y", but when I look at the original 1968 ad the case appears to be elongated instead of round.
on my the enclosed advert is case round, I would say that it distorted reproductions