Omega Seamaster 300 Ref.165.024Introduced in 1957, the Omega Seamaster 300 was conceived as a true professional dive instrument, developed for military and civilian use rather than as a lifestyle sports watch. Over the years it evolved technically and aesthetically, and the reference 165. 024 represents one of the most mature and desirable executions of the model. This example dates to 1968 and features the highly sought after CB (Centrale Botes) case, appreciated for its sharper