The Longines Master Collection Moonphase L2.919.4.92.6 is a stainless steel automatic watch featuring a 42 mm case and a sunray blue dial. It includes a moon phase display and a date indicator at the 6 o'clock position. The watch is powered by the Longines Caliber L899 movement, operating at 25,200 vibrations per hour, with a power reserve of up to 72 hours. It is water-resistant up to 3 bar and has a scratch-resistant sapphire crystal. The stainless steel bracelet is equipped with a triple safety folding clasp and push-piece opening mechanism. Reference number: L2.919.4.92.6.