Longines Master Collection Moonphase

The Longines Master Collection Moonphase, reference L2.409.4.78.3, has a 34 mm round case in steel. The watch has a moon phase display. The case is 11.1 mm thick and 41.7 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. A scratch-resistant sapphire crystal covers the hour and minute display, with several layers of anti-reflective coating on both sides. A brown alligator leather strap fastens with a triple safety folding clasp and a push-piece opening mechanism. The silver barleycorn dial carries painted Arabic numerals alongside blued steel hands.