Longines HydroConquest GMT L37904569 Watch with Black Dial and Time Zone Mechanism This dark Longines HydroConquest GMT watch features a stylish black dial, black ceramic bezel and black rubber strap. The black dial has silver-colored hands and indexes, as well as distinctive red details. With the watch's GMT hand, it is possible to monitor two time zones at the same time. 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. The 60-minute scale on the bezel, which rotates in one direction, and the screw-locking crown are also suitable for diving. Model number: L37904569 Case material: stainless steelCase color: steel grayCase diameter: 41 mm Watch thickness: 12.9 mm Bezel material: ceramicBezel color: black Strap material: rubber Strap color: blackLug distance: 21 mm Watch weight: 126.8 g Sapphire glass, scratch-free Dial color: black Time zone mechanism Water resistance: 300 meters (30 bar) Date display Movement: automaticPower reserve up to 72 hours See all Longines watches here