For sale is a vintage Seiko "Blue Eye" Automatic Chronograph watch. Reference 6139-8020 Watch is in nice overall condition and is ready to wear. Circa 1976. Japan made. The retro 40mm case is full stainless steel and is in great original shape showing no notable major dings or deep scratches. Case remains sharp. watch wears comfortably well on the wrists with its's 41.5 mm lug to lug measurement. The watch is a 13.5 mm thick. Original 12-hour blue sunburst dial with bright white tritium lumed indices and hands. Dial looks perfect. slight paint chip on hour hand. This is a international variant sold overseas as it has Chronograph Automatic under the Seiko logo as well as the Arabic Day wheel. Original unsigned Seiko crown. Automatic Chronograph movement Cal. 6139 17 Jewel movement. Quickset works perfect. Watch is in good working order and is keeping time. Service history is unknown. All stainless steel case with a screw back. Case back markings include Water Resistant, Stainless Steel, the ref. no. 61139-6040 and the the serial No. 687445 (August 1976) Watch comes with aftermarket Seiko Bracelet .This will fit up to 8" wrist *** Asking $500 + ✈️ ***