Seamaster 300 Two-Tone

From the retailer listing

Overall Condition: Outstanding, virtually unworn condition. The origin of the Seamaster can be traced from the watches Omega developed for the Royal Air Force during the Second World War, but with the emergence of SCUBA diving as a recreational sport, it metamorphosed into something entirely its own: the Seamaster 300. Omega released the first Seamaster in 1948 to coincide with the Summer Olympics held in London. In a city ravaged by the Blitz, the Olympics represented a time to look forward while still being respectful of the past. For Omega, whose 40th anniversary was also that year, the manufacture’s role as Official Timekeeper represented the ideal opportunity to launch a new collection. Advertising material of the time touted the “ruggedness” of the Seamaster, more than the average wearer would ever likely call for in its life…which would prove all the more important with the 1957 l