Introduced in 1969, the Seiko 6139-6000 Speed-Timer was arguably the worlds first automatic chronograph. This example features the rare and… | Instagram
Introduced in 1969, the Seiko 6139-6000 Speed-Timer was arguably the worlds first automatic chronograph. This example features the rare and… | Instagram
Seiko 5 Sports Speed Timer 6139-7020 JDM 21 J Chronograph
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1970 JDM Seiko 6139-6031 “5 Sports” Speed Timer (Proof)
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1971 JDM Seiko 6139-7012 Automatic Chronograph “5 Sports” Speed Timer
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Seiko 5 sport speedtimer 6139-7060 for AED3,350 for sale from a Private Seller on Chrono24
Curating The Collection - A Vintage Seiko Speedtimer 6139 Pogue Chronograph Ousts a Ceramic Daytona From a Rolex Collection
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Seiko Speed Timer 6139-6000 Very rare mint condition, circa May 1969. | Vintage seiko watches, Seiko watches, Seiko
6139-6000 JDM SpeedTimer Sports Proof/Proof from July 1969 – classicseiko
TZ-UK Forums
The Legend of the Seiko 6139 - Chrono24 Magazine
SEIKO 6139-6000 SPEEDTIMER CHRONOGRAPH WATCH, PROOF DIAL FOR MEN, CIRCA FEB 1969 | eBay
February 1969 Seiko 6139-6010 SpeedTimer JDM "Deep Blue" Chrono, w/Orig Bracelet | DC Vintage Watches
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![WTS] Seiko 6139-6000 SpeedTimer from March '69 : r/Watchexchange](https://i.redd.it/dd2qf2ckkfa91.jpg "WTS] Seiko 6139-6000 SpeedTimer from March '69 : r/Watchexchange")