Stainless steel case with a stainless steel bracelet. Fixed stainless steel bezel with a black ion-platedtop ring showing tachymeter markings. Black dial with luminous silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent luminous. Date display at the 4 o'clock position. Day of the week display at the 2 o'clock position. Three sub-dials displaying: 60 second, 24 hour and functions. Eco-Drive E650, Atomic Timekeeping, Radio Controlled eco-drive movement. Scratch resistant sapphire crystal. Pull / push crown. Solid case back. Case size: 42 mm. Case thickness: 12 mm. Round case shape. Band width: 19 mm. Band length: 8.5 inches. Deployment clasp. Water resistant at 200 meters / 660 feet. Functions: perpetual calendar, chronograph, alarm, date, day, GMT, second time zone, hour, minute, second, power reserve indicator, tachymeter. Additional Info: atomic timekeeping, radio controlled, 5 time zone. Dress watch style. Watch label: Japan Movt. Item Variations: AT4008 51E, AT4008.51E, AT400851E. Citizen Eco Drive Chronograph Black Dial Mens Watch AT4008-51E. CASE CASE SIZE 42 mm CASE THICKNESS 12 mm CASE MATERIAL Stainless Steel CASE SHAPE Round CASE BACK Solid DIAL DIAL TYPE Analog DIAL COLOR Black CRYSTAL Scratch Resistant Sapphire HANDS Luminous Silver-tone SECOND MARKERS Minute Markers around the outer rim DIAL MARKERS Index SUB DIALS Three - 60 Second, 24 Hour and Functions LUMINISCENCE Luminous BEZEL Fixed CROWN Pull / Push BAND BAND TYPE Bracelet BAND MATERIAL Stainless Steel BAND COLOR(S) Silver Tone BAND LENGTH 8.5 inches BAND WIDTH 19 mm CLASP Deployment FEATURES WATER RESISTANCE 200 meters / 660 feet CALENDAR Date display at the 4 o'clock position. Day of the Week display at the 2 o'clock position FUNCTIONS Perpetual Calendar, Chronograph, Alarm, Date, Day, GMT, Second Time Zone, Hour, Minute, Second, Power Reserve Indicator, Tachymeter FEATURES Alarm, Atomic Timekeeping, Calendar, Chronograph, GMT, Perpetual, Power Reserve Indicator, Solar, Stainless Steel, Time Zone