![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)
Third time lucky: A Seiko 6138-8020 Panda from September 1975 | Adventures in Amateur Watch Fettling
![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
![SEIKO 6138-0040 chronograph automatic watch BULLHEAD Cal. 6138-B ALL ORIGINAL *** SPECTACULAR *** Seiko Vintage watches - Watches83 SEIKO 6138-0040 chronograph automatic watch BULLHEAD Cal. 6138-B ALL ORIGINAL *** SPECTACULAR *** Seiko Vintage watches - Watches83](https://watches83.com/30280-thickbox_default/seiko-6138-0040-chronograph-automatic-watch-bullhead-cal-6138-b-all-original-spectacular-.jpg)
SEIKO 6138-0040 chronograph automatic watch BULLHEAD Cal. 6138-B ALL ORIGINAL *** SPECTACULAR *** Seiko Vintage watches - Watches83
![Vintage Seiko panda 6138-8020 Automatic Chronograph Very Rare 1977 Model, Gift Birthday or Anniversary - Etsy Vintage Seiko panda 6138-8020 Automatic Chronograph Very Rare 1977 Model, Gift Birthday or Anniversary - Etsy](https://i.etsystatic.com/17707612/r/il/480068/3888999411/il_fullxfull.3888999411_cspg.jpg)