pitpro (Login pitpro1) VRF Member Posted Jan 5, 2012 1:42 PM
This "Pre-Production"(whatever that means, sounds like an explanation
of why a 1952 watch has Everest on it) is the first >1952 but
earlier than III.53 that has Explorer on the dial that I have seen.
I thought common wisdom was that Explorer didn't appear on the dial
(post 1952) until III.53