1972 Seiko Chronograph ref. 6139-8020 black and blue dial - TIMELINE.WATCH collection
A '71 Seiko 6139-8020 - the watch that got me into vintage Seiko. I bought the watch itself from Argentina and the NOS strap from Saudi Arabia. : r/ Seiko
Vintage Seiko 6139-8020 Day And Date Chronograph Watch, Men's Fashion, Watches & Accessories, Watches on Carousell
Tribute to the Seiko 6139-8020 Chronograph Automatic Watch | Strapcode
Seiko 6139 Chronographs Full List | Vintage Watch Inc
Herology on X: "1975 Seiko 6139-8020 “Hexagon” 17 Jewels Chronograph around 39mm wide w/c and 12mm thick which makes this “Speed Timer” much more compact compared to the venerable “Pogue.” 👍👍👍 #Seiko #
SOLD 1974 Seiko 6139 8020 Chronograph - Birth Year Watches