Black Longines HydroConquest L37844569 Wristwatch with Big 43mm Case This elegant matte black Longines HydroConquest wristwatch has a large 43 mm wide ceramic case with a ceramic bezel and dial. Its indices stand out from the dial with silver edges and the hands have a shiny silvered surface. The indexes and hands have snow mass, which makes it easier to read the watch in the dark. The ceramic rim is rotatable and has a gear-like edge. The matte black ensemble is combined with a black rubber strap. The watch from the HydroConquest collection has an automatic movement with a 72-hour power reserve and a scratch-resistant sapphire crystal with an anti-reflective coating. The watch is water-resistant up to 300 meters, so it is also suitable for diving. Model number: L37844569 Case material: ceramicCase color: blackCase diameter: 43 mm Watch thickness: 13 mm Bezel material: ceramic Rim color: black, matte Strap material: rubber Strap color: blackStrap width: 21 mm Watch weight: 126.7 g Sapphire glass, scratch-free Dial color: black, matte Water resistance: 300 meters (30 bar) Date display Mechanism: automatic Availability: 72 hours