Very fine example of the rare transitional Omega Speedmaster, reference 105.012, rare CB case. Regular sleeve polish, retaining its original brush finish. Beautiful original step dial, all tritium index’s present with a beautiful egg shell patina. The original tritium hands set is also in perfect condition with a pronounced patina. The original dot over 90 bezel is very clean showing only minor marks. The original Omega Cal 321 was recently serviced. The watch is equipped with a vintage style matching brown leather bracelet, and will be delivered with an original Omega Extract of Archives. The watch was sold in Chile in September 1966.