Thats a very fine example of a 14700. Correct crown, clean dial and a case that retains the distinctive steep lug chamfer of this reference. A watch that has been very well cared for over the years
A 17 million serial number puts it around 1959/60. These came with both alpha ( earlier ) and dauphine ( later ) hands and with date is the ref 14701
Here's mine with alpha's
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