Longines Master Collection

The Longines Master Collection, reference L2.949.4.93.6, has a 39 mm round case in steel. The blue barleycorn dial carries applied Arabic numerals alongside polished silvered hands. The case is 9.4 mm thick and 46.1 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 hour and minute display, with several layers of anti-reflective coating on both sides. A date display and central seconds appear on the dial. A steel bracelet fastens with a triple safety folding clasp and a push-piece opening mechanism with a fine adjustment system.