![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://cdn-haebf.nitrocdn.com/epOHlxNuQweFHMEroKfVXpRZksyHrwaG/assets/images/optimized/rev-545de00/chronotimepieces.com/ctsitecms/wp-content/uploads/Seiko-Chronograph-ref.-6139-7070-Baby-Jumbo-4.jpg)
Vintage Seiko Chronograph ref. 6139-7070 Baby Jumbo – 1977, Seikosis bracelet, Serviced - ChronoTimepieces
Seiko 6139-7070, one of the petrol watches, on a vintage white Tropic Star strap #seiko #seiko6139 #61397079 #vintagechronograph #vintag... | Instagram
James | Seiko 6139-7070 for a chilly Monday #bluewatchmonday #seiko6139 #61397070 #vintagechronograph #womw #wristcheck | Instagram
![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)