Soar to new heights in style with this men's citizen eco-driveâ® promaster navihawk grey chronograph watch with a green dial. The green dial features luminous hands and markers, a trio of chronograph sub-dials and a date display. 48. 0mm gunmetal grey ion-plated stainless steel case with sapphire crystal and a rotating bezel functions include atomic timekeeping, world time and perpetual calendar. Japanese quartz movement keeps you right on time. The citizen eco-driveâ® technology harnesses the power of any light source so it never needs a new battery. The grey stainless steel link bracelet secures with a fold-over clasp. Water-resistant to 200 meters, this watch includes a five-year limited manufacturer warranty, with an additional one-year warranty upon registering your watch with citizen. We are an authorized citizen dealer.