Bold and purpose-built, the Sports Casual Nighthawk Chrono delivers a rugged take on everyday performance. Powered by Citizen's proprietary Eco-Drive technology to provide light-powered vitality without ever needing a battery, the 42mm gray-tone stainless steel case features a prominent 60-minute bezel and a monochromatic dial with chronograph functionality and date display. Designed for versatility, the watch offers 100 meters of water resistance in a confident, sporty profile. Grey stainless steel case with a grey-green nylon strap. Bi-directional rotating grey stainless steel bezel. Dark grey dial with black hands and index hour markers. Tachymeter scale around the outer rim. Dial Type: Analog. Date display at the 3 o'clock position. Chronograph - three sub-dials displaying: 60 second, 60 minute and 24 hour. Citizen Caliber Eco-Drive B612 eco-drive movement. Scratch resistant mineral crystal. Solid case back. Round case shape, case size: 42 mm. Buckle clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, date, hour, minute, second, solar-powered. Nighthawk Series. Sport watch style. Watch label: Japan Movt. Citizen Nighthawk Gray Dial Nylon Strap CA0897-04H.