Automatic mechanical movement, green dial with silver-tone sunray finish and luminous painted markers/hands, fixed bezel of silver-tone stainless steel, analog display with central chronograph hand featuring tachymeter scale around the outer rim (minute markers), date function at 4-5 position indicated by Roman numerals, sapphire crystal glass for scratch resistance, screw down winding/crown, transparent case back exposing the automatic movement, round 16 mm thick stainless steel case and bracelet with silver-tone finish, 44 mm diameter size including crown, band width is 22 mm equipped with fold over clasp mechanism, water resistant up to 330 feet (100 meters), functions include chronograph with second function, minute hand, hour hand, date display. Part of the Air Speed Series from Revue Thommen.