The Longines Conquest Heritage Central Power Reserve L1.648.4.92.2 showcases a light blue opaline dial with Swiss Super-LumiNova®. This 38 mm stainless steel watch is water-resistant to 5 bar and powered by a self-winding mechanical movement 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 completes a watch presented on a grey ...