Knowing that you would only want as original examples as possible, I want to know what year that's from. Some knowledge from all you Speedmaster freaks seems to be rubbing off on me. The dot over 90 and the metal Ω symbol on the dial tell me it's pre-1970 and either a very early transitional 861 or a 321 from one of the last years. Knowing that there are more from some years than others around, odds say that it's a '67. Is there any giveaway from the caseback or the style of hands that would tell me otherwise?
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