LUMINA CHRONOSPHERE Chronograph GreenThe LUMINA CHRONOSPHERE in silver with a black green dial leans into a more technical, instrument driven character. The 43 mm case is crafted from 316L solid stainless steel and finished with a careful balance of brushed and polished surfaces. Its round profile is sharpened by a fixed octagonal bezel, a detail that adds structure. Ssapphire coated glass protects the dial while maintaining clarity under varying light conditions. The dial combines black