Most notably the modern Monaco ref. CAW2111 moves the crown from the left-hand side to the right-hand side for a more conventional configuration. It also has 100 meters of water resistance and the caliber 12 inside is a Sellita-based movement with a Dubois Dépraz chronograph module. While those
link original caliber 11 chronographs
link were known for being a bit finicky and running
link fast there's no such concern with a modern TAG Heuer caliber.