![Seiko automatic chronograph 6139-7070 "baby jumbo", vintage 1976 for $657 for sale from a Trusted Seller on Chrono24 Seiko automatic chronograph 6139-7070 "baby jumbo", vintage 1976 for $657 for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/28431147-c4sx0ul5hmckwts8eb6zu7ob-ExtraLarge.jpg)
Seiko automatic chronograph 6139-7070 "baby jumbo", vintage 1976 for $657 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 "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)
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 vintage Automatic Chronograph |Excellent... for $501 for sale from a Private Seller on Chrono24 Seiko 6139-7070 vintage Automatic Chronograph |Excellent... for $501 for sale from a Private Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/28808849-yzk3pwkbwml4dixk730zfhhv-ExtraLarge.jpg)