LUMINA CHRONOSPHERE Chronograph Black and GunmetalThe LUMINA CHRONOSPHERE is built around a 43 mm case crafted from 316L solid stainless steel, finished with a combination of brushed and polished surfaces that give the watch depth without visual clutter. The round case is sharpened by an octagonal bezel, while a sapphire coated glass protects the dial. The dial itself is finished in black and laid out to support the chronograph display. It is driven by the Miyota JS05 movement, a dependable