Stainless steel case with a black (Aero Classic) rubber strap. Uni-directional rotating stainless steel bezel with a black ceramic top ring. Black dial with luminous silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 6 o'clock position. Breitling calibre 20 automatic movement with a 70-hour power reserve. Scratch resistant sapphire crystal. Screw locked crown. Solid case back. Round case shape. Case size: 44 mm. Case thickness: 14.55 mm. Band width: 22 mm. Fold over clasp with a push button release. Water resistant at 200 meters / 660 feet. Functions: date, hour, minute, second, chronometer. Luxury watch style. Watch label: Swiss Made. Item Variations: AB203012-BG51-279S-A20D.4. Breitling Superocean Heritage II Automatic Chronometer Black Dial Mens Watch AB2030121B1S1.