Omega

from the 1960's - featuring several Speedmaster models - with still the sports car context...  

Hi Dr. Strong... This is actually a very interesting ad ...Showing Both the 19mm lug width Speedy case (105.003) .and the 20 mm lug width asymmetrical Speedy case (105.012) and without "Professional" on the dial must be an early ad. Nice!! Good Hunting Bi... 

as both models were produced from 1963 to 1966

but the strange thing is that in the text it says 105.002 and 105.003 and not 105.003 and 105.012 . Strange because IMO there was no 105.003 with the assymetrical case. On the other hand I always thought there was no 105.012 with PreProDial either. Ed Whi...