Seiko 6139-600x–part iii – The Pogue
(see earlier missives on the 6139-600x, here and here) No mention of the Seiko 6139-6000 and its variants would be…
Seiko “RAF Gen 1”
Seiko claimed numerous world firsts throughout their years, from (arguably) the first automatic chronograph, the first commercial quartz watch (which,…
Seiko 6139-600x–part ii – elusive silver PROOF/PROOF
Following on from the previous tale of the 6139 as produced by Seiko in 1969, here’s a rare and interesting…
Seiko 6139-600x–part i – as worn by Francois Cevert & Nick Mason
50 years ago, Seiko was quietly producing what could arguably be the world’s first automatic chronograph. Other manufacturers were trying…