36.00 mm case diameter, white dial signed LONGINES, Roman numbers with inner blue Arabic chapter ring for longitude calculations, central rotating silvered disc for radio time signal seconds synchronization, bidirectional rotating bezel with daily variations in the equation of time, black moon hands with center sweep seconds, hinged case back, exhibition crystal, Cal. 989.2 25 jewel self-winding nickel movement, black leather strap signed LONGINES, silver tone tang buckle.
Movement number: 57978985.