Longines HydroConquest

The Longines HydroConquest, reference L3.740.3.58.7, is a dive watch with a 41 mm round case with a red PVD coating. The sunray black dial has applied Arabic numerals and indexes and pink hands. The case measures 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. Quartz calibre L157.3 powers the watch and uses a RENATA 371 battery. A scratch-resistant sapphire crystal covers the dial, with several layers of anti-reflective coating on the underside. The dial includes a date display and central seconds. The case has a unidirectional rotating bezel. A red PVD-coated bracelet closes with a double safety folding clasp.