Silver-tone stainless steel case with a silver-tone stainless steel bracelet. Bi-directional rotating 24-timezone silver-tone stainless steel bezel. Black dial with luminous silver-tone hands and Arabic numeral hour markers. Minute markers, 24 hour markings, world-time cities listed around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 6 o'clock position. Breitling Calibre 35 automatic movement with a 70-hour power reserve. Scratch resistant sapphire crystal. Screw locked crown. Transparent case back. Round case shape, case size: 43 mm, case thickness: 14.55 mm. Band width: 23 mm. Fold over with safety release clasp. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second, world time, 24 time zones. Luxury watch style. Watch label: Swiss Made. Item Variations: AB3521U4-BG85-188A. Breitling Navitimer 8 Unitime Automatic Black Dial Mens Watch AB3521U41B1A1.