This Longines HydroConquest 39mm embodies classic dive watch styling with a sleek all-black aesthetic, featuring a bold black dial and a matching black unidirectional rotating ceramic bezel, equipped with a Super-LumiNova®-filled capsule on the triangle at the zero marker for enhanced legibility. The dial is fitted with 11 lacquered, polished, applied rhodium-plated indexes treated with Super-LumiNova®, paired with rhodium-plated and polished hands with matching Super-LumiNova® treatment, ensuring optimal visibility in low-light conditions. Crafted in stainless steel, the case houses the dependable calibre L888.5 automatic movement with anti-magnetic technology for consistent performance. With a power reserve of 72 hours and water resistance up to 300 metres, this Swiss-made timepiece is ideal for diving, sport, and refined everyday wear.