I don't think it is quite correct to say that these "vintage series" watches (such as this 5970J with brown dial) were produced for the London Exhibition, even though that is where they were first shown. Several were sold some years later. Or maybe 5 were...
Has sources that have the inside track (so they say) but who really knows without a shadow of a doubt. Have to wonder why on some of the releases PP didnt give the actual number???
Public domain to cut out speculation once and for all. Collected Man quoted "believe less than 10" K2 about 5 but it still begs the question why it wasnt published...what's the secret? As a side I sourced the 3940 a friend and there was no indication of ...