OMEGA Speedmaster Mack III Chronograph ref. : 176 002, steel drum-style case with screwed back (signed and numbered). Black dial with date aperture at 3 o'clock and two counters: the seconds at 9 o'clock with the double 24-hour function, the hours on the recessed counter at 6 o'clock and the large airplane arrow hand for the minutes. Tachymeter scale on the flange, luminescent indexes and hands. Original Omega steel bracelet with folding clasp. Movement: Mechanical automatic winding caliber signed Omega caliber 1040 Lemania Swiss base. (Does not work) Dim.: 52 x 41 mm. Condition: beautiful