Longines Master Collection Moonphase

The Longines Master Collection Moonphase, reference L2.919.4.78.6, has a 42 mm round case in steel. The watch has a moon phase display. The case is 11.2 mm thick and 49.7 mm lug-to-lug, with water resistance rated to 30 metres. Self-winding calibre L899.5 provides up to 72 hours of power reserve and is visible through a transparent case back. The silver barleycorn dial carries painted Arabic numerals alongside blued steel hands. A steel bracelet fastens with a triple safety folding clasp and a push-piece opening mechanism. A date display and central seconds appear on the dial. A scratch-resistant sapphire crystal covers the hour and minute display.