Longines Master Collection Chrono Moonphase

The Longines Master Collection Chrono Moonphase, reference L2.773.4.78.3, is a chronograph with a 42 mm round case in steel. The watch has a moon phase display, a weekday display and a month display. The case is 14.2 mm thick and 49.5 mm lug-to-lug, with water resistance rated to 30 metres. Self-winding calibre L687.5 provides up to 66 hours of power reserve and is visible through a transparent case back. A scratch-resistant sapphire crystal covers the hour and minute display. 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.