![Third time lucky: A Seiko 6138-8020 Panda from September 1975 | Adventures in Amateur Watch Fettling Third time lucky: A Seiko 6138-8020 Panda from September 1975 | Adventures in Amateur Watch Fettling](https://adventuresinamateurwatchfettling.files.wordpress.com/2019/03/seiko-6138-from-1975.jpg)
Third time lucky: A Seiko 6138-8020 Panda from September 1975 | Adventures in Amateur Watch Fettling
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1970 Seiko SpeedTimer 6138-0010 Yachtman "UFO" Proof Chronograph w/Orig Bracelet | DC Vintage Watches
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Seiko "UFO" 6138-0017 — Craig Husar Fine Diamonds | Wisconsin's #1 Recommended Jeweler™ | Brookfield, WI
![SEIKO PANDA Vintage automatic chronograph watch 1977 Cal. 6138B Ref. 6138-8020 ALL ORIGINAL *** SPECTACULAR CONDITION *** Seiko Vintage watches - Watches83 SEIKO PANDA Vintage automatic chronograph watch 1977 Cal. 6138B Ref. 6138-8020 ALL ORIGINAL *** SPECTACULAR CONDITION *** Seiko Vintage watches - Watches83](https://watches83.com/73521-large_default/seiko-panda-vintage-automatic-chronograph-watch-1977-cal-6138b-ref-6138-8020-all-original-spectacular-condition-.jpg)
SEIKO PANDA Vintage automatic chronograph watch 1977 Cal. 6138B Ref. 6138-8020 ALL ORIGINAL *** SPECTACULAR CONDITION *** Seiko Vintage watches - Watches83
![Seiko 6138-0010] One of the world's earliest Automatic Chronographs; the Yachtman, aka the UFO : r/Watches Seiko 6138-0010] One of the world's earliest Automatic Chronographs; the Yachtman, aka the UFO : r/Watches](https://i.redd.it/vx3452u5w5qb1.jpg)
Seiko 6138-0010] One of the world's earliest Automatic Chronographs; the Yachtman, aka the UFO : r/Watches
![Third time lucky: A Seiko 6138-8020 Panda from September 1975 | Adventures in Amateur Watch Fettling Third time lucky: A Seiko 6138-8020 Panda from September 1975 | Adventures in Amateur Watch Fettling](https://adventuresinamateurwatchfettling.files.wordpress.com/2019/03/seiko-catalogue-6138.jpg)