Longines Master Collection

The Longines Master Collection, reference L2.893.4.78.6, has a 42 mm round case in steel. Painted Arabic numerals accompany blued steel hands on the silver barleycorn dial. Measuring 9.64 mm thick and 49.6 mm lug-to-lug, the case has a water-resistance rating of 30 metres. The dial is covered by a scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides. A steel bracelet fastens with a triple safety folding clasp and a push-piece opening mechanism. The dial has a date display and central seconds. Self-winding calibre L888.5 has up to 72 hours of power reserve and is visible through a transparent case back.