Longines HydroConquest

The Longines HydroConquest, reference L3.782.3.78.9, is a dive watch with a 43 mm round case in steel. The sunray grey dial has applied Arabic numerals and indexes and pink hands. Self-winding calibre L888.5 provides up to 72 hours of power reserve. A scratch-resistant sapphire crystal covers the dial, with several layers of anti-reflective coating on both sides. A grey rubber strap with a synthetic lining closes with a double safety folding clasp and a push-piece opening mechanism. The dial includes a date display and central seconds. The case measures 11.9 mm thick and 53.5 mm lug-to-lug, with water resistance rated to 300 metres.