I know and like this post since long - but often, one consumes and forgets to appreciate the work on public, what I do now: thanks, Bill - many hours have been put in such a result... and the writing is even the smaller part.
You find it here: As mentioned there, the pics come from the web archive of sheartime - while you find the best close-ups for Rolex Sports watches on Jacek's site HQMilton, sheartime is the largest source for "dial only" shots (and shows also the most reliable "untouched configuration" pieces IMHO)
While checking some dial plates regarding their authenticity I've found finally a proof for the EGGLI-WEIBEL hallmark. An earlier superb post form Stefano Mazzariol shows amongst others this hallmark labeled METELEM (correct producer name is METALAM): Follow link : Producers of dials for Rolex This
Harrison from VRF pointed me to the idea that there have been no 3/61 and 4/61 editions. Because he didn't ever see these two date codes (neither did I in real nor during my search for several hours - but there's in general not a lot of detailed footage around), so it's likely that the bracelet prod