Exclusive Longines Conquest Series L3.381 Moonphase Watch - Elegance Arrives. With its elegant and sophisticated appearance, this Swiss authentic moonphase watch showcases the seamless transition of day and night as a new day begins. The watch features a size of 34mm, and its rounded, curved design gives the case a unique and delicate charm. With every movement, it exudes grace and poise. Each watch comes with its own unique identification number, integrating four codes in one. The diamond dial is equipped with two identity cards, and a tag that synchronizes with the case back.