Omega Speedmaster Professional Quartz Ref 186.0004The Digital LCD Speedy The term rare is often misused, but we believe that this watch is rare for two reasons one because its a watch you very seldom see and secondly because the condition is fantastic! This watches were introduced towards the end of 1977 and were removed from the Omega catalogue in 1979, therefore enjoying a very short production run of around 18 months. The 36. 5mm steel case is similar, in form, to the regular Speedmasters of the