![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-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.... for $2,505 for sale from a Trusted Seller on Chrono24 Seiko PANDA Vintage automatic chronograph watch 1977 Cal.... for $2,505 for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/26866334-6yxiia6ex88t27adrrkd1a0p-ExtraLarge.jpg)
Seiko PANDA Vintage automatic chronograph watch 1977 Cal.... for $2,505 for sale from a Trusted Seller on Chrono24
![SEIKO PANDA 1975 Automatic vintage chronograph watch Cal. 6138 Ref. 6138- 8020 JAPAN A *** SPECTACULAR *** Seiko Vintage watches - Watches83 SEIKO PANDA 1975 Automatic vintage chronograph watch Cal. 6138 Ref. 6138- 8020 JAPAN A *** SPECTACULAR *** Seiko Vintage watches - Watches83](https://watches83.com/61249-large_default/seiko-panda-1975-automatic-vintage-chronograph-watch-cal-6138-ref-6138-8020-japan-a-spectacular-.jpg)