A Speedmaster MkIII 'Jedi' wristwatch, Omega. Circa 1971. 40 x 52 mm helmet shaped case, with automatic self-winding chronograph mechanical movement. Omega's first automatic chronograph movement, calibre 1040, developed with Lemania and was presented in 1971 in the Omega Speedmaster Mark III. The central rotor winding automatic chronograph, featuring a central 60 minutes counter (the 'jet' hand), a central 'stopwatch' hand counting a minute in 5ths of a second, a 12-hrs counter at 6 o'clock, a double counter at 9 o'clock and a date at 3 o'clock. On original bracelet with folding clasp. Dial signed.