Quote:
Originally Posted by Palex
Sorry, but what do you mean with pre-serial?
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Prior to ~1950 AP didn't serialize production, basically every piece prior to this point was a piece unique with slight variations.
Prior to 1950 there was an estimated ~200 calendar watches made with only 11 of them being perpetual calendars. Them re-releasing a classic perpetual for the 150th would be so cool.