An Omega Speedmaster MK40 triple calendar automatic chronograph wristwatch, ref; 175.0084 in stainless steel, matte grey dial, sapphire crystal, lume hands and indexes, outer 1/5th second scale, outer date in white Arabic numerals, registers for days of the week and the month, orange hand for the date, registers for the seconds, 24hour, 30 minute and 12 hour, 25 jewel Cal. 1151 self wind movement, tachymetre bezel, case no. 55662362, size, 39 mm, leather band, internal length up to 21 cm, C - 1996, fine condition, working.