The Longines PrimaLuna L8.123.4.07.6 showcases a vivid green mother-of-pearl dial with diamond indexes and silvered polished hands. This 30 mm stainless steel watch with a round case is water-resistant to 3 bar and powered by automatic calibre L592.5, a self-winding mechanical movement beating at 28'800 vibrations per hour, with a monocrystalline silicon balance-spring power reserve up to 45 hours. Scratch-resistant sapphire crystal with several layers of anti-reflective coating on both sides co...