A vintage Seiko 5 sports Speed-Timer automatic chronograph wristwatch, ref. 6139-7020 in stainless steel with black dial, subsidiary minutes, outer 1/5th second track, outer rotating seconds track, lume hands and markers, day date, 21 jewel cal. 6139B self wind movement, tonneau shape case size 44 x 40 mm, link band with folding clasp, working, recently serviced, case and band polished.