Longines HydroConquest

The Longines HydroConquest, reference L3.781.3.78.7, is a dive watch with a 41 mm case in steel. The sunray grey dial carries applied Arabic numerals and indexes alongside pink hands. The case is 11.9 mm thick and 51.1 mm lug-to-lug, with water resistance rated to 300 metres; the case has a screw-down crown. Self-winding calibre L888.5 provides up to 72 hours of power reserve. A scratch-resistant sapphire crystal covers the hour and minute display, with anti-reflective coating on both sides. A date display and central seconds appear on the dial. The case has a unidirectional rotating ceramic bezel. A red PVD-coated bracelet fastens with a double safety folding clasp.