A beautiful example of theOmega Speedmaster Professional 105.012-66 from circa 1967. Presented in excellent overall condition and complete with an Extract from the Archives this watch perfectly shows off why vintage Speedies are so highly sought after!

The Omega Speedmaster Professional reference 105.012 was launched in 1964 and produced up to 1968. It is arguably the most important Speedmaster produced, not only is it the definitive Moon watch having been the first to land on the moon - worn by both Neil Armstrong and Buzz Aldrin in 1969, it alsofeatureda number of design changes that would usher in the look of today's modern Speedmaster.

The first and most notably of these changes was inclusion of protection for the pushers and crown. The case also changed to make use of faceted lugs (known as Lyre Lugs) instead of straight ones and the whole case grewto 42mm.

As for the dial front, the 105.012 was the first reference to include the Professional inscription.In the past it had beensuggested this was added from July 1965 following NASAs certification of the Speedmaster for its astronauts. However more recent research has confirmed theProfessionalinscription was included from the start of production of the 105.012 in early 1964. Finally, this reference saw the addition of the Ts on either side of SWISS MADE,albeit not until April 1964.