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Seiko “5 Sports 6139-8070” men’s Modern design wristwatch in stainless steel with original bracelet, circa 1977.

Seiko’s “5 Sports” model line was launched in 1963 and is still in production today. This example from 1977 has a massive cushion-shaped stainless steel case and a striking dark blue dial with electric blue tracks and luminous markers, plus a black enamel outer bezel ring. It is in excellent condition showing only light to moderate wear. Caseback is excellent, correctly marked with Seiko’s “6319-8070” case and movement code. Black enamel bezel is excellent. The case measures 44mm long and 41mm wide. Original two-tone blue dial is superb with all its tropical aged luminous markers intact. Original Hardlex crystal is excellent. The watch is powered by its correct 21-jewel Seiko caliber 6139 automatic movement. Original stainless steel Seiko-signed Grand Prix bracelet is excellent.