![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
![Vintage Seiko Panda Day-Date Chronograph Reference 6138-8020 Watch, 1977 at 1stDibs | seiko chronograph panda, seiko panda chronograph Vintage Seiko Panda Day-Date Chronograph Reference 6138-8020 Watch, 1977 at 1stDibs | seiko chronograph panda, seiko panda chronograph](https://a.1stdibscdn.com/archivesE/upload/1121189/j_58484421548413303304/5848442_master.jpg)
Vintage Seiko Panda Day-Date Chronograph Reference 6138-8020 Watch, 1977 at 1stDibs | seiko chronograph panda, seiko panda chronograph
![SEIKO PANDA Vintage automatic chronograph watch 1977 Ref. 6138-8020 Cal. 6138-B TROPICALIZED DIAL *** SPECTACULAR *** Seiko Vintage watches - Watches83 SEIKO PANDA Vintage automatic chronograph watch 1977 Ref. 6138-8020 Cal. 6138-B TROPICALIZED DIAL *** SPECTACULAR *** Seiko Vintage watches - Watches83](https://watches83.com/67449-thickbox_default/seiko-panda-vintage-automatic-chronograph-watch-1977-ref-6138-8020-cal-6138-b-tropicalized-dial-spectacular-.jpg)
SEIKO PANDA Vintage automatic chronograph watch 1977 Ref. 6138-8020 Cal. 6138-B TROPICALIZED DIAL *** SPECTACULAR *** 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/2019/03/seiko-catalogue-6138.jpg)
Third time lucky: A Seiko 6138-8020 Panda from September 1975 | Adventures in Amateur Watch Fettling
![Seiko 6138-8020 Panda Original Vintage Chronograph for $1,773 for sale from a Private Seller on Chrono24 Seiko 6138-8020 Panda Original Vintage Chronograph for $1,773 for sale from a Private Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/28120925-3ed3mszvf3u9tg0invfa23vq-ExtraLarge.jpg)