![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
![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/2012/06/6138_19.jpg)
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 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)