

The Longines HydroConquest L3.788.4.96.6 is a 42mm automatic dive watch with a stainless steel case, ceramic bezel, and blue lacquered dial. It features a silicon balance-spring for anti-magnetism and a 72-hour power reserve. Water-resistant to 300m, it competes with divers like the Tudor Black Bay and Omega Seamaster, offering solid specs at a lower price point. Owners praise its build and looks, though some find the clasp bulky and the bracelet heavy.
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Reviewers generally praise the HydroConquest for its value, robust build, and attractive blue dial. Some criticize the bracelet's weight and the clasp's bulkiness.
The Longines Hydroconquest L3.788.4.96.6 is an automatic dive-style watch with a 42 mm stainless steel case and a ceramic bezel. It has a blue lacquered, polished dial with Swiss Super-LumiNova and a date display.
It is powered by a self-winding mechanical movement that beats at 25,200 vibrations per hour. The balance spring is monocrystalline silicon, and the power reserve is up to 72 hours. The movement is an exclusive Longines automatic calibre.
The watch is water-resistant to 30 bar (300 m). It has a unidirectional rotating bezel, a screw-in crown and a screw-down case back. The sapphire crystal is scratch-resistant and has several layers of anti-reflective coating on both sides. The stainless steel bracelet has a double security folding clasp with a micro adjustment system.












