Blancpain

… as to which diver was first. There have been many articles stating Blancpain FF before Rolex Sub. But told Rolex Sub was presented to the public in May 1954 at the Basel fair, compared to Blancpain patent below dated after. Or does it really not matter ...  

But maybe that's a good thing. Its probably why I can afford one. ...  

… I would rely on the words of Jean-Jacques Fiechter and Robert Maloubier, both stating 1953 as the year the first Fifty Fathoms watches were made and used successfully for their purpose.

At bottom says June 11, 1954 is when the name was first registered in Switzerland.

Moreover, in the US there is a provisional patent application which is not public but a year before submitting a utility (real application that is prosecuted) patent. Anyways, both Rolex and Blancpain have great histories, I say wear what you want. The Su... 

And, come on, I no longer have a sub, only a BlancPain Bathy 😉😉😉😉

I also had the MilSpec and Hulk before also. Shown below, I would have loved the Milspec to be 42.5 instead of 40.5. ...  

Still searching for my Bathy — likely one of these two. Thoughts? ...  

Any other models you would consider, can be preowned if no longer in production?

Of the Fifty Fathoms this year. I like the 42mm size of the series 1 just released, let’s see what they do for the next series this year.