Citizen Watch Crono Pilot Radiocontrolled man analog steel strap model AS4050-51L. Watch with Super Titanium case with a diameter of 45 mm, blue dial with sapphire crystal and date, Eco Drive movement (infinite light charge) with a power reserve of 1 year. Radiocontrolled Clock. Chronograph at 1/20 sec. Dual time zone, alarm, perpetual calendar. Radio wave reception function with acoustic confirmation. Display of reception status. Energy saving function. Super Titanium strap with safety closure. Bidirectional rotating bezel (with crown at 8 o'clock) with a slide rule system. WR 20 bar. Delivered with original box and official warranty. bf22