The HydroConquest series is the ultimate diving watch, paying tribute to the brave men who have explored the depths of the ocean and capturing the hearts of sea enthusiasts. These timepieces meet the strict standards of deep sea diving, with a water resistance of 30 bar (300 meters), a unidirectional bezel, and a screw-down case and crown. The added lateral crown protection and double security folding clasp with a diving extension make these watches a safe choice for any underwater adventure. And with its sleek design and top-notch performance, Longines has truly created a masterpiece.