![Seiko Vintage Chronograph 6139-7070 Baby Jumbo - 1977,... for $652 for sale from a Trusted Seller on Chrono24 Seiko Vintage Chronograph 6139-7070 Baby Jumbo - 1977,... for $652 for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/26917932-8zpk659995blbl3ugj2j411x-ExtraLarge.jpg)
Seiko Vintage Chronograph 6139-7070 Baby Jumbo - 1977,... for $652 for sale from a Trusted Seller on Chrono24
![Seiko automatic chronograph 6139-7070 "baby jumbo", vintage 1976 for $639 for sale from a Trusted Seller on Chrono24 Seiko automatic chronograph 6139-7070 "baby jumbo", vintage 1976 for $639 for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/26304382-0xh07pqg89hcegh8r7klb87r-ExtraLarge.jpg)
Seiko automatic chronograph 6139-7070 "baby jumbo", vintage 1976 for $639 for sale from a Trusted Seller on Chrono24
![Vintage Seiko Chronograph ref. 6139-7070 Baby Jumbo – 1977, Seikosis bracelet, Serviced - ChronoTimepieces Vintage Seiko Chronograph ref. 6139-7070 Baby Jumbo – 1977, Seikosis bracelet, Serviced - ChronoTimepieces](https://chronotimepieces.com/ctsitecms/wp-content/uploads/Seiko-Chronograph-ref.-6139-7070-Baby-Jumbo-2.jpg)
Vintage Seiko Chronograph ref. 6139-7070 Baby Jumbo – 1977, Seikosis bracelet, Serviced - ChronoTimepieces
Seiko 6139-7070 Automatic Chronograph Day-Date, Running Well Great Condition, $285 shipped | WatchUSeek Watch Forums
![Seiko] 6139-7070 "Baby Jumbo" The blue dial is just awesome. I never see these, only the black versions. (x-post /r/JapaneseWatches) : r/Watches Seiko] 6139-7070 "Baby Jumbo" The blue dial is just awesome. I never see these, only the black versions. (x-post /r/JapaneseWatches) : r/Watches](https://external-preview.redd.it/KJHdnGJDNWPlcLPwavl6hL7Xl7_Wy91OGSjb_EodVao.jpg?auto=webp&s=2f6405f54c52ba8659b7032fb097f223b8cca681)