Seiko 7016-8000 and 6139-8020] Two New Vintage Seiko Chronographs I Recently Purchased : r/Watches
Vintage SEIKO 6139-8020 Chronograph Automatic Brown Dial 40 mm – WORKING OK – CROADCO Watches
Seiko 6139-8020 for $667 for sale from a Private Seller on Chrono24
Seiko Chronograph ref. 6139-8020 automatic mens wristwatch steel case & bracelet
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 #