The Longines HydroConquest L3.788.4.99.6 showcases a frosted blue sunray dial with a textured finish that plays beautifully with ambient light. This 42mm stainless steel diver with ceramic bezel is engineered for 300m depth rating and powered by an automatic movement with an impressive 72-hour power reserve. Scratch-resistant sapphire crystal with anti-reflective coating ensures clear time reading in any conditions, making it equally suited for professional diving and everyday elegance.