Omega Speedmaster Professional 105.012-66 CB Case 1971 the central metal frame ring

the central metal frame ring and the sweat bar detail above the eyes

The 42mm steel case is very similar to an Omega Seamaster 300 case and remains in strong condition(produced by Huguenin Freres- same case maker as the Omega Seamaster and Speedies

Light as a feather yet naturally durable

The GMT-Master is one of the hottest vintage sports watches at the moment and this one is a beauty

Omega Speedmaster Professional 105.012-66 CB Case 1971 the central metal frame ringA tale of two cases The reference 105. 012 was the first Speedmaster to feature the asymmetrical case. In fact, this reference was available in two different cases, one manufactured by Huguenin Freres (HF) and the other by Centrale Boites (CB). Both cases featured single step case backs but are differentiated by a small line between the polishing planes on the undersides of the lugs on the CB cases. The watch we are offering is a CB cased example in