Longines Flagship Classic

The Longines Flagship Classic, reference L4.374.4.18.6, has a 30 mm round case in steel. The white matt dial has applied indexes and polished silvered hands. The case measures 8.1 mm thick and 36.4 mm lug-to-lug, with water resistance rated to 30 metres. Self-winding calibre L592.5 provides up to 45 hours of power reserve and is visible through a transparent case back. A steel bracelet closes with a triple safety folding clasp and a push-piece opening mechanism. The dial includes a date display and central seconds. A scratch-resistant sapphire crystal covers the dial, with several layers of anti-reflective coating on the underside.