Blue Angels is the name of the U.S. Navy's elite flight demonstration squadron, famous for the precision and grace of its every aerial maneuver. That precision and grace are reflected in CITIZEN®'s PROMASTER Blue Angels Nighthawk watch, with its rotating slide-rule dial ring and 12/24-hour time display. Model shown with a navy blue ion-plated case, a stainless steel bracelet and a navy blue dial with yellow accents, featuring the official Blue Angels logo on the case back. Featuring CITIZEN's Eco-Drive technology and powered by light in all its forms, it never needs a battery. The dial of this watch measures 42 mm in diameter. This watch is water resistant up to 200 metres. This model's movement runs on Eco-Drive technology: the watch captures solar energy and converts it to power the movement for a minimum of 180 days. This watch carries a 5-year warranty, applicable to the movement.