The Longines HydroConquest 41 mm is a sporty diver’s watch designed for both underwater performance and everyday wear. It features a 41.00 mm stainless steel case combined with a black ceramic bezel. The sunray black dial is equipped with applied Arabic numerals and indexes, and silvered polished hands filled with Super-LumiNova®. It offers a date display at 3 o’clock. The watch is powered by the self-winding mechanical calibre L888, at 25,200 vibrations per hour, with an approximate 72-hour power reserve. It has a screw-in crown, unidirectional rotating bezel, water resistance up to 30 bar (300 m), and uses scratch-resistant sapphire crystal with anti-reflective coatings on both sides. The bracelet is stainless steel with a double safety folding clasp.