You are probably familiar with the Jaquet Droz Grande Seconde. It could easily be called the brand’s flagship watch and it’s characterized by those expansive enamel dials with the unusual figure-eight display. Well, at Baselworld 2017 Jaquet Droz upped the ante with the Grande Seconde Moon Phase, a trio of models that adds a new complication to the collection. This is a welcome and well-executed addition, so let’s take a closer look.