![FS: Seiko 6138-8021 Panda -8040T Chronograph Automatic c. 1978 Unpolished Steel 41 mm - Rolex Forums - Rolex Watch Forum FS: Seiko 6138-8021 Panda -8040T Chronograph Automatic c. 1978 Unpolished Steel 41 mm - Rolex Forums - Rolex Watch Forum](https://live.staticflickr.com/65535/50771765141_095efbbbea_o.jpg)
FS: Seiko 6138-8021 Panda -8040T Chronograph Automatic c. 1978 Unpolished Steel 41 mm - Rolex Forums - Rolex Watch Forum
![SEIKO PANDA 1977 Automatic vintage chronograph watch Cal. 6138 Ref. 6138-8020 JAPAN A *** PATINA DIAL *** Seiko Vintage watches - Watches83 SEIKO PANDA 1977 Automatic vintage chronograph watch Cal. 6138 Ref. 6138-8020 JAPAN A *** PATINA DIAL *** Seiko Vintage watches - Watches83](https://watches83.com/66047-thickbox_default/seiko-panda-1977-automatic-vintage-chronograph-watch-cal-6138-ref-6138-8020-japan-a-patina-dial-.jpg)
SEIKO PANDA 1977 Automatic vintage chronograph watch Cal. 6138 Ref. 6138-8020 JAPAN A *** PATINA DIAL *** Seiko Vintage watches - Watches83
![SOLD: Seiko 6138-0030 Speed Timer Blue Dial Kakume Chronograph "Big Blue" - Reduced $750 | The Watch Site SOLD: Seiko 6138-0030 Speed Timer Blue Dial Kakume Chronograph "Big Blue" - Reduced $750 | The Watch Site](https://i.imgur.com/D6c9Lez.jpg)
SOLD: Seiko 6138-0030 Speed Timer Blue Dial Kakume Chronograph "Big Blue" - Reduced $750 | The Watch Site
![SEIKO PANDA 1977 Automatic vintage chronograph watch Cal. 6138 Ref. 6138-8020 JAPAN A *** PATINA DIAL *** Seiko Vintage watches - Watches83 SEIKO PANDA 1977 Automatic vintage chronograph watch Cal. 6138 Ref. 6138-8020 JAPAN A *** PATINA DIAL *** Seiko Vintage watches - Watches83](https://watches83.com/66046-thickbox_default/seiko-panda-1977-automatic-vintage-chronograph-watch-cal-6138-ref-6138-8020-japan-a-patina-dial-.jpg)
SEIKO PANDA 1977 Automatic vintage chronograph watch Cal. 6138 Ref. 6138-8020 JAPAN A *** PATINA DIAL *** Seiko Vintage watches - Watches83
![Question] Hi, I don't suppose anyone could tell me anything about this 6138-8020 Panda? Is the Arabic day wheel standard on all models? Thanks : r/Seiko Question] Hi, I don't suppose anyone could tell me anything about this 6138-8020 Panda? Is the Arabic day wheel standard on all models? Thanks : r/Seiko](https://i.redd.it/s9aup8zd4uha1.jpg)
Question] Hi, I don't suppose anyone could tell me anything about this 6138-8020 Panda? Is the Arabic day wheel standard on all models? Thanks : r/Seiko
![Seiko BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J... for $1,055 for sale from a Trusted Seller on Chrono24 Seiko BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J... for $1,055 for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/26395548-l1u9exgf7l0etahao8g4gk0e-ExtraLarge.jpg)
Seiko BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J... for $1,055 for sale from a Trusted Seller on Chrono24
![Seiko BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J... for $1,055 for sale from a Trusted Seller on Chrono24 Seiko BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J... for $1,055 for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/26395548-jdcnsz854zqulnbstwk5e5id-ExtraLarge.jpg)