Take control with this modernized Citizen Promaster Blue Angels Navihawk timepiece. A chronograph with all the tools for professional use. Features include world time in 43 cities, radio control, tachymeter, Perpetual calendar, alarm and power reserve indicator. Showcasing a stainless steel case and mesh bracelet with a distinguished navy blue dial and yellow accents. Featuring our Eco-Drive technology, powered by light, any light. Never needs a battery. *Please note that the radio-controlled functionality will not work in Australia due to the absence of radio transmitting stations within range. These stations are exclusive to four regions: Europe, USA, China and Japan. However, this does not affect manual time adjustment. Please refer to your instruction manual for guidance.