Since becoming the CEO of the Swiss watch manufacturer Zenith in late 2011, Jean-Frédéric Dufour has overseen a dramatic shift at the LVMH-owned company. In the last two years, Zenith—whose beginnings date back to the mid-19th century—has moved away from the flamboyant, modernist designs for which the company had become known prior to Dufour’s arrival. The first launch with Dufour at the helm, in 2012, returned the brand to its historic roots with the rerelease of its highly complicated flagship collection bas…