Bill
32148
As you noted 1.7 mil case with Mk2 dial
Marcello as you mentioned it seems the 1.7 mil case must have been held back and later released for distribution with the MK2 dial touching DW. Here we assume, as I don't know if your conclusion, is all 1.7 were released later .e. after 2.1. Seems like a big gap that remains a Rolex mystery. So we can assume then the 2.2 case came out first in the PP format before the 1.7 mil case.
In addition it did not have the Patent Pending case back but "Rolex Patent"
Pictured here matching your thoughts.
The final question I was not clear did the 5513 HEV get released to divers prior to the 1665, at the same time or after. The magic dates seem 1971 / 1972 with both watches and the serial range is not really the release date correlation but simply production date which is the case in most instances anyhow. So watches either 5513 HEV or 1665 PP with case backs 69/70/71 most likely did not reach test divers till 1971-1972 based on your thoughts/records. Seems all makes sense.
Bill
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Nicolas.....
By: Baron - Mr Red : December 8th, 2014-06:39
.....i suspect the answer to your question could be any number of possibilities. Firstly, my documentation shows that Rolex were lending a watch to a diver for testing in June 1971. The Sea-Dweller was, I believe, officially launched in 1971. The Mk1 lent...
Marcello....
By: Baron - Mr Red : December 8th, 2014-10:22
. ....first thanks for your assistance with my article. Yes, the issue of Comex is certainly clearer now. Differentiating between using Comex exclusively and alongside other dive companies and private divers now seems much clearer. OK...on the issue of "p...
Bill.....
By: Baron - Mr Red : December 9th, 2014-01:13
The Mk1 Patent Pendings occur within a very narrow serial range...one batch starting 1.7 and another batch starting 2.2. I have owned Mk1s in each of the two batches. I will answer one part of your question and that is that I have had Rolex-to-Diver watch...
Bill....
By: Baron - Mr Red : December 9th, 2014-10:37
regarding the Mk2 Patent pending with 2.2 serial....why do you think it did not have a patent pending case back? If that was the case, what would differentiate it from a Mk2 that was not a patent pending? My Mk2 Patent Pending has Patent Pending on case b...
Yep....
By: Baron - Mr Red : December 10th, 2014-02:36
......this is my point too. Just one swallow a summer does not make. We have essentially 10 times as many examples coming direct from divers as direct from ADs (albeit there can be some crossover as Marcello highlighted). Mk1 is a prototype in my book.
GREAT WRITE UP!!!
By: daytonaman799 : December 10th, 2014-18:20
This was a great write up! Fantastic piece of history and a great summary of it. Joe you just have a great handle on vintage Rolex and especially the tool watch end of the spectrum. Thanks for sharing both images of your collection and your knowledge of t...