This timepiece ushers in a new era for the collection with the integration of the FC-120 Solarmetre caliber, a technological feat developed alongside La Joux-Perret. Its “cloud white” dial with a grained finish is actually a sophisticated translucent surface: it allows light to pass through to power hidden photovoltaic cells, enabling the watch to run potentially forever as long as it is exposed to a light source. A single minute of exposure provides enough energy for a full day of operation, and in total darkness, the rechargeable battery offers an impressive 10 months of autonomy. This 39 mm model perfectly blends this cutting-edge engine with a classic aesthetic featuring a “coin-edge” inner ring and a brown leather strap. For added versatility, this watch comes with an additional Milanese mesh strap.