Longines PrimaLuna

The Longines PrimaLuna, reference L8.124.4.71.6, has a 34 mm round case in steel. Blued steel hands appear alongside painted Roman numerals on the sunray silver dial. Self-winding calibre L888.5 has up to 72 hours of power reserve and is visible through a transparent case back. Over the dial is a scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides. A steel bracelet closes with a triple safety folding clasp and a push-piece opening mechanism. The dial incorporates a date display and central seconds. Case dimensions include a thickness of 9.7 mm and a lug-to-lug length of 41 mm; water resistance is rated to 30 metres.