Citizen Eco-Drive Radio-Controlled Chronograph World Timer watch; Blue Angels edition with case back insignia. Featuring automatic time in 26 world cities, radio-controlled accuracy in 5 zones, 1/20 second chrono measures up to 60 minutes, perpetual calendar, 12/24-hour time, power reserve and non-reflective sapphire crystal all in Stainless steel with blue ion plating. Military-influenced design meets world-class functionality in this Citizen® men's silver-tone watch that pays homage to the elite Blue Angels flight squadron with the official insignia engraved on the case back. It’s also packed full of features, including atomic timekeeping for automatic time in 26 cities around the globe. This means precise radio-controlled accuracy in North America, the United Kingdom, Europe, Japan and China. Clasp: Foldover with hidden double push button Water Resistance: 656' Case Width: 43mm Case Thickness: 12mm Model No.: AT8020-54L Special Features: Blue Angels insignia, atomic timekeeping, radio-controlled for automatic time in 26 world cities, perpetual calendar, rotating slide rule bezel, Eco-Drive™ powered by light (natural or artificial) for a free and limitless power supply, power reserve indicator, 1/20-second chronograph measures up to 60 minutes, 12/24-hour time, date display. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.