The scalloped crowns are correct for the Ref. 14XXX models that were made pre-1963. I like the theory regarding the US market models on these, but I really don't know if these were restricted only to the US.
I have a fairly early 167.005 model with a scalloped crown:
It has a 21M serial number, so I'd date it at 1964. When I purchased the watch, Inshowed pictures to Desmond who opined at that time that he thought the crown was original and could possibly be solid gold.
I don't know if that is the case with this particular crown, although I have seen others like it on the
Ref. 14900, which is the predecessor to the 167.005.
My guess is that solid gold or not, it was replaced, either early on by the original owner (the 10-sided crowns are difficult to use), or at a service later on.
Interesting to note that this is a solid 14K watch with the OXG code for US market.
gatorcpa
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