![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-thickbox_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 BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J Vintage automatic chronograph watch Cal 6138B *** ALL ORIGINAL *** Seiko Vintage watches - Watches83 SEIKO BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J Vintage automatic chronograph watch Cal 6138B *** ALL ORIGINAL *** Seiko Vintage watches - Watches83](https://watches83.com/64739-thickbox_default/seiko-bullhead-chronograph-automatic-ref-6138-0040-japan-j-vintage-automatic-chronograph-watch-cal-6138b-all-original-.jpg)
SEIKO BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J Vintage automatic chronograph watch Cal 6138B *** ALL ORIGINAL *** Seiko Vintage watches - Watches83
Thomas' Timepieces - Seiko 6138-3000 and 6138-3002, both models often referred to as the Seiko Jumbo. The Seiko 6138 was arguably the world's first automatic chronograph (Zenith/Movado El Primo also claimed to
![Seiko 6138-8020 Panda Chronograph Automatic Cal 6138B Working... de vânzare pentru 3.795 lei de la un Trusted Seller de pe Chrono24 Seiko 6138-8020 Panda Chronograph Automatic Cal 6138B Working... de vânzare pentru 3.795 lei de la un Trusted Seller de pe Chrono24](https://cdn2.chrono24.com/images/uhren/30478027-x8c604yemab7m7o6l5uotox1-ExtraLarge.jpg)