Longines HydroConquest 39 mm Automatic Black Dial Watch

Combining modern sport styling with Swiss watchmaking expertise, the Longines HydroConquest 39 mm Automatic is engineered for performance both underwater and in everyday wear. Crafted in stainless steel, the 39 mm case features a unidirectional rotating ceramic bezel, screw-in crown and screw-down caseback. A scratch-resistant sapphire crystal with multiple layers of anti-reflective coating on both sides provides exceptional clarity and durability. The black lacquered polished dial delivers a sleek, sophisticated appearance, complemented by hands and applied hour markers with Swiss Super-LumiNova® for enhanced visibility in low-light conditions. A date display adds practical everyday functionality while maintaining the watch’s clean, sport-inspired design. Powered by a self-winding mechanical movement with a monocrystalline silicon balance spring, this timepiece beats at 25,200 vibrations per hour and provides an impressive power reserve of up to 72 hours. The stainless steel bracelet is secured with a double-security folding clasp and micro-adjustment system for a comfortable and secure fit. Water resistant to 300 meters (30 bar), this HydroConquest combines robust diving capability with Longines’ signature refined styling. In stainless steel with matching bracelet and ceramic bezel. Reference L3.779.4.90.6.