The Longines Conquest Heritage Central Power Reserve L1.648.4.92.6 showcases a light blue opaline dial with Swiss Super-LumiNova®. This 38 mm stainless steel automatic watch is water-resistant to 5 bar and driven by a self-winding mechanical movement with date and power reserve, beating at 25'200 vibrations per hour, with a monocrystalline silicon balance-spring and a power reserve of up to 72 hours. Scratch-resistant sapphire crystal with several layers of anti-reflective coating on both sides ...