You've just opened a major can of worms.
You can't judge anything by inflation calculators. Any Swiss brand would need to take into account the relative devaluation of the US dollar against the Swiss Franc. In the early 1960's US$1 bought about 4 Swiss francs. Now 1 franc = US$1.04. It has been as high as $1.17 recently, depending on the games the Swiss have been playing in the currency markets. So whatever figure you get by using the inflation calculator in dollar-to-dollar terms, probably has to be multiplied by at least a factor of 4.
Also, I don't know which "standard" Seamaster automatic model to which you refer. Back in the 1950's these went for $100 to $150 in steel, a little bit for more gold-plated or capped, and upwards of $250 for solid gold (14K or 18K).
As they say, "a picture is worth a thousand words".
gatorcpa
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