Longines PrimaLuna

The Longines PrimaLuna, reference L8.113.4.71.6, has a 30 mm round case in steel. The opaline ivory dial has painted Roman numerals and blued steel hands. The case measures 9.1 mm thick and 37 mm lug-to-lug, with water resistance rated to 30 metres. A scratch-resistant sapphire crystal covers the dial, with several layers of anti-reflective coating on the underside. 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. Self-winding calibre L592.5 provides up to 45 hours of power reserve and beats at 28,800 vibrations per hour.