Omega Speedmaster automatic chronograph, steel, ref. 175 0032, around 1988, movement Omega Cal. 1140 / ETA 2890-2 running, black dial with luminescent bars, white hands with luminous material, tachymeter scale, minute and hour counter at 6 and 9 o'clock, central second for chrono, small second at 3 o'clock, diameter 40mm, height over reinforced plexiglass 12,5mm, pressure cap, steel bracelet with folding clasp, length total approx. 19cm