This is a rare Breguet index model with a silver two-tone snail dial. This model is equipped with Longines' famous Cal.13zn chronograph movement with flyback function. The dial is an elaborate and complex silver two-tone dial that combines a rare MILE telemeter and snail tachymeter with rare and popular Breguet indexes. It is a precious gem. The watch comes with an Expassion bracelet made by the precious American bracelet manufacturer Cromwell (wrist size up to 19cm). The Longines caliber chronograph is one of the most perfectly established in the history of watchmaking and will continue to be appreciated and handed down from generation to generation.