Cartier

General info is available by reading articles at Fratello, Hodinkee and the many others.  George Cramer is another source I've found and I feel like I should get his book. But I'm also looking for slightly more specific info regarding Pasha in general and Pasha GMT Meridian 2377 in particular.  I can't find reliable details on movements used (043 maybe but what is it exactly?) specific dates of manufacture (since production is discontinuous) and any other details (like the difference if any between W31029M7 and W31079M7) that might be of interest to someone recently obsessed with this watch.  Any ideas anybody?  Thanks.