Longines HydroConquest

The Longines HydroConquest, reference L3.769.4.56.6, is a dive watch with a 42 mm round case in steel. Applied indexes accompany polished silvered hands on the black sandblasted dial. Measuring 11.3 mm thick and 51.2 mm lug-to-lug, the case has a water-resistance rating of 300 metres; the case has a screw-down crown. Power comes from quartz calibre L157.3, powered by a RENATA 371 battery. The dial is covered by a scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides. A steel bracelet fastens with a double safety folding clasp and a push-piece opening mechanism. The case has a unidirectional rotating bezel. The dial has a date display and central seconds.