I recently acquired this vintage Cartier stepped dial tank, partly because it seemed like a rather rare model. After doing some research, I found that Antiquorum auctioned a similar one in 2013 with a dark blue dial and identified it as the Cartier Ref. 1543 Galb Gold Plated Cartier Paris, case No.
I got this on a recent trip to Paris. It's a Jaeger LeCoultre "Etrier" watched stamped "Herms Paris" on the case back. I've seen similar models variously referred to as the "Grande Taille" or "Grande Modele Homme," but I haven't seen one with this exact dial in this size. There seems to have been m