Longines Flagship Classic

The Longines Flagship Classic, reference L4.374.4.88.6, has a 30 mm round case in steel. The watch is set with diamonds. The case is 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. Polished silvered hands indicate the hours and minutes on the white mother-of-pearl dial. A steel bracelet fastens with a triple safety folding clasp and a push-piece opening mechanism. A date display and central seconds appear on the dial. A scratch-resistant sapphire crystal covers the hour and minute display, with several layers of anti-reflective coating on the underside.