Longines Master Collection

The Longines Master Collection, reference L2.920.4.78.3, has a 42 mm round case in steel. The watch has an annual calendar and a month display. Measuring 10.8 mm thick and 49.7 mm lug-to-lug, the case has a water-resistance rating of 30 metres. Self-winding calibre L897.2 has up to 72 hours of power reserve and is visible through a transparent case back. The dial is covered by a scratch-resistant sapphire crystal. A brown alligator leather strap with a calf leather underside fastens with a triple safety folding clasp and a push-piece opening mechanism. The dial has a date display and central seconds. Painted Arabic numerals accompany blued steel hands on the silver barleycorn dial.