Speedtimer 6139 is now listed for sale!
Seiko 5 Sports Speedtimer 6139-7020. Seiko Speedtimer 6139 was among the first automatic chronograph watches produced in the world. Its movement Cal. 6139 was considered widely as a very well designed chronograph movement being reliable, compact and efficient at the same time. There are many variants of Speedtimer 6139, and the watch here (Ref. 6139-7020) is nicknamed "Apple" due to its interestingly curved case.