Explore TAG Heuer Monaco watches at Loupe. Curated to perfection our collection of TAG Heuer Monaco watches are worth spending time over. With two world firsts under its name, the Monaco collection is cooler and more cutting edge than most. Loved by connoisseurs, the Monaco collection boasts the world’s first water-resistant square watches and the Chronometer Calibre 11 at the heart of the collection was also the first automatic chronograph movement with a micro rotor. Pretty impressive, right?