This thread loooks like a real tresor hunt ! Thx Blomman for all this material, very useful indeed.
Checking the pics posted by both of you, Blomman and Clavi, I have to admit a slight confusion in my mind regarding retail price of the LC DSA : your docs (both catalogue and price tag) mention 135 USD in the early 60's.
The LC DSA I have, and for which I also have the invoice, did cost only 68 USD to its owner, but in 1966 :
A 50% discount for a watch ? Well, indeed we do not know conditions under which this watch was bought, but still, that's quite surprising.
Any indications on the success of the watch when it was released ? Could the rather low production number (to say the least...) be (partially) explained by a limited public fancy for this model ?