Black ion-plated stainless steel case and bracelet. Bi-directional rotating black ion-plated bezel showing conversion markings. Black dial with luminous black hands and index hour markers. Arabic numerals marker appears at 3, 6 and 9 o'clock position. Minute markers around the outer rim. Dial Type: Analog-digital. Luminescent hands. Perpetual calendar. Digital sub-dial. 24 hour (UTC) sub-dial. Citizen caliber U680 eco-drive movement. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape. Case size: 45.4 mm. Case thickness: 14.5 mm. Band width: 21 mm. Deployment clasp with a push button release. Water resistant at 200 meters / 660 feet. Functions: perpetual calendar, radio-controlled, word time, flying distance and navigation calculations, day, date, month, power reserve indicator, overcharge prevention function, UTC (universal time coordinated), dual time, timer. Promaster Sky Series. Sport watch style. Watch label: Japan Movt. Citizen Perpetual Black Dial Men's Watch JY8085-81E.