Longines Spirit

The Longines Spirit, reference L3.810.4.73.6, has a 40 mm round case in steel. The watch is chronometer-certified. The case is 12.2 mm thick and 49.7 mm lug-to-lug, with water resistance rated to 100 metres; the case has a screw-down crown. A scratch-resistant sapphire crystal covers the hour and minute display, with several layers of anti-reflective coating on both sides. The opaline ivory dial carries applied Arabic numerals alongside black hands. 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. Self-winding calibre L888.4 provides up to 72 hours of power reserve and beats at 25,200 vibrations per hour.