Longines HydroConquest

The Longines HydroConquest, reference L3.784.4.56.9, is a dive watch with a 43 mm round case in ceramic. Polished silvered hands appear alongside applied Arabic numerals and indexes on the matt black dial. Case dimensions include a thickness of 13 mm and a lug-to-lug length of 56.1 mm; water resistance is rated to 300 metres. Self-winding calibre L888.5 has up to 72 hours of power reserve. Over the dial is a scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides. A black rubber strap with a synthetic lining closes with a double safety folding clasp and a push-piece opening mechanism. The dial incorporates a date display and central seconds.