Also, digital watches existed in 1975. In fact, one of those ten Bond films you mention (Live and Let Die, 1973) featured Bond wearing a digital watch (it was a cool gadget).
I remember a guy I worked for showing me his new digital watch. It was a matrix of tiny red LEDs that consumed so much current from the batteries, that the display would only light up when you pushed a button on the side of the watch. I bought one myself a year or two later.
