Longines Spirit Pilot

The Longines Spirit Pilot, reference L3.809.4.53.9, has a 39 mm round case in steel. The watch is chronometer-certified. Self-winding calibre L888.4 provides up to 72 hours of power reserve and beats at 25,200 vibrations per hour. A scratch-resistant sapphire crystal covers the dial, with several layers of anti-reflective coating on both sides. The black matt dial has applied Arabic numerals and gilt hands. A green rubber strap with a synthetic lining closes with a pin buckle. The dial includes central seconds. The case measures 11.5 mm thick and 47.2 mm lug-to-lug, with water resistance rated to 100 metres; the case has a screw-down crown.