Seiko Speed Timer 6139-6000 Very rare mint condition, circa May 1969. | Vintage seiko watches, Seiko watches, Seiko
6139-8010 – Seiko Works
Introduced in 1969, the Seiko 6139-6000 Speed-Timer was arguably the worlds first automatic chronograph. This example features the rare and… | Instagram
Curating The Collection - A Vintage Seiko Speedtimer 6139 Pogue Chronograph Ousts a Ceramic Daytona From a Rolex Collection
Introduced in 1969, the Seiko 6139-6000 Speed-Timer was arguably the worlds first automatic chronograph. This example features the rare and… | Instagram
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Flying saucer: the Seiko 6139-7020 Speed-Timer | Adventures in Amateur Watch Fettling