Soar to greater heights with this citizen promaster air navihawk timepiece. Blue and yellow chrono dial with date display and black tachymeter bezel 40. 0mm stainless steel case; sapphire crystal quartz analog movement citizen eco-driveâ® technology harnesses the power of any light source so it never needs a battery stainless steel bracelet; push-button fold-over clasp water-resistant to 200 meters we are an authorized citizen dealer