The Longines Master Collection Moonphase ladies watch is powered by an automatic movement within a 34mm stainless steel case. The white mother-of-pearl dial is set with 12 Top Wesselton diamond markers of VS-SI clarity totaling approximately 0.055 carats. It is covered with sapphire crystal. Complications include a moonphase and date subdial at 6 o'clock. The stainless steel bracelet is secured by a deployant clasp. Water resistant to 30 meters.