Listen, the Tank Francaise probably isn't the most exciting of link Cartier models to hardcore horologists, and Cartier doesn't necessarily help that perception by only using an automatic movement in link the large model in steel. But, the Francaise is the most popular Cartier watch this side of the Ballon Bleu because it's a beautiful Cartier design in an affordable package (at least, as far as link Cartier goes), not because of any particular technical revolution.