Granite ion-plated stainless steel case and bracelet. Fixed granite ion-plated bezel. Charcoal grey dial with luminous black hands and index hour markers. An Arabic numeral appears at the 12 o'clock position. Minute markers. Tachymeter markings around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display between the 4 and 5 o'clock positions. Chronograph - three sub-dials displaying: 60 second, 60 minute and 24 hours. Citizen caliber Eco-Drive B620 quartz movement. Scratch resistant mineral crystal. Screw down crown. Solid case back. Round case shape. Case size: 43 mm. Case thickness: 12.5 mm. Band width: 23 mm. Fold over clasp with a push button release. Water resistant at 200 meters / 660 feet. Functions: chronograph, date, hour, minute, second. Casual watch style. Watch label: Japan Movt. Citizen Nighthawk Chronograph Charcoal Grey Dial Men's Watch CA4377-53H.