The Longines HydroConquest GMT L3.890.4.96.9 is a 43mm stainless steel watch featuring a blue sunray dial and a blue rubber strap. It is powered by the automatic Longines caliber L844.4 movement, offering a 72-hour power reserve and GMT functionality. The watch includes a unidirectional rotating ceramic bezel, a screw-in crown, and is water-resistant up to 300 meters. The sapphire crystal has multiple layers of anti-reflective coating on both sides. Reference number: L3.890.4.96.9.