This men's Citizen chronograph watch is a smart choice. Eco-Drive technology powers the watch with natural and artificial light, so you never need a battery. Wear this stainless steel watch with any business or casual attire.Watch the product video here. Round blue dial with silver-tone hands and markers allows easy reading. Chronograph tracks elapsed time to 1/20th of a second for up to 60 minutes. Perpetual calendar automatically adjusts the month-end date, even for leap years. Atomic timekeeping technology receives calibration radio signals four times per day. Rotating slide rule lets you calculate flight time, speed, fuel consumption and more. World time function features 26 time zones. Blue Angels insignia on caseback lends a cool look. Details: Water resistant to 200 meters Date display Quartz movement Light powered Sapphire-glass face cover Stainless steel case & caseback Case dimensions: 43-mm diameter Adjustable blue band Manufacturer's 5-year limited warrantyFor warranty information please click here Model no. AT8020-03L Size: One Size. Gender: male. Age Group: adult. Material: Leather.