Longines Master Collection Moonphase

The Longines Master Collection Moonphase, reference L2.919.4.77.3, has a 42 mm round case in steel. The watch is set with diamonds and 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. Polished silvered hands indicate the hours and minutes on the silver barleycorn dial. A brown alligator leather strap fastens with a triple safety folding clasp and a push-piece opening mechanism. A scratch-resistant sapphire crystal covers the hour and minute display.