Longines Master Collection

The Longines Master Collection, reference L2.950.4.73.6, has a 41 mm round case in steel. The silver barleycorn dial has applied Arabic numerals and blued steel hands. The case measures 9.5 mm thick and 48.7 mm lug-to-lug, with water resistance rated to 30 metres. Self-winding calibre L888.5 provides up to 72 hours of power reserve and is visible through a transparent case back. A scratch-resistant sapphire crystal covers the dial, with several layers of anti-reflective coating on both sides. A steel bracelet closes with a triple safety folding clasp and a push-piece opening mechanism with a fine adjustment system. The dial includes a date display and central seconds.