Of course I have all informations about that piece. I wrote an long and detailed introduction on my blog (Italian language), but I promise to write here an English version ASAP
I imagine that in JLC museum is present an mint one. The frist 2701 was made in early 1930's Can you confirm me please (as I suppose) that it is the frist wrist Day-Date of the history? Thanks for appreciate it. Cheers Andrea