Longines Master Collection Moonphase

The Longines Master Collection Moonphase, reference L2.909.4.78.6, has a 40 mm round case in steel. The watch has a moon phase display. Self-winding calibre L899.5 has up to 72 hours of power reserve and is visible through a transparent case back. Over the dial is a scratch-resistant sapphire crystal. Blued steel hands appear alongside painted Arabic numerals on the silver barleycorn dial. A steel bracelet closes with a triple safety folding clasp and a push-piece opening mechanism. The dial incorporates a date display and central seconds. Case dimensions include a thickness of 11.1 mm and a lug-to-lug length of 47 mm; water resistance is rated to 30 metres.