Blue Angels PROMASTER NAVIHAWK A-T Soar to new heights with the modernized CITIZEN Promaster Blue Angels Navihawk timepiece. A chronograph with all the tools for professional use, featuring world time in 24 cities, radio control, tachymeter, perpetual calendar, alarm and power reserve indicator. Showcased here in a stainless steel case and mesh bracelet with distinguished navy blue dial and yellow accents, with added value of anti-magnetism and shock resistance. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number E660. BAND Bracelet DIAL Blue CASE SIZE (MM) 46 CASE MATERIAL Silver-Tone, Stainless Steel, Navigational Rotating Bezel WATER-RESISTANCE WR200/20Bar/666ft [Swimming, Showering & Snorkeling] CRYSTAL Sapphire Crystal FUNCTIONS E660, Perpetual Calendar, Power Reserve Indicator, Chronograph / Calendar / Alarm, Radio Control, 1-Second Chronograph, Atomic Timekeeping Technology with Synchronized Time Adjustment Available in 24 Time Zones, World Timer MODEL CB5848-57L Eco-Drive