Breitling: A stainless steel Cosmonaut chrono-matic calendar wristwatch, the rotating bezel with inner calculating scale, the black 24-hour dial with alternating baton and Arabic numerals, inner calculating scale for kilometres and miles per hour, subsidiary dials for elapsed minutes and hours, date aperture, sweep centre seconds operated by two buttons in the band, the screw-on back with makers mark 48mm.diam.