Omega Watch Forums Omega Watch Forums SOG53
For sale is a Seiko 6139-6032 JDM Speedtimer “Coke” Automatic vintage chronograph from 1972. Original JDM model in very good condition, with Kanji and English day wheel. The 6139 watches were arguably the first automatic chronographs to market, and are immortalized by the “unofficial” use of the yellow variant on NASA Sky Lab Mission in 1973 by Col William Pogue (who wore his personal Seiko 6139 on one wrist and NASA approved Omega Speedmaster on the other). The black version for sale…
