The 1970s Seiko 6139 automatic chronograph had well over a dozen variants, and one of its most unusual was the black PVD variant - like this all original 6139-8010 here.  Seiko placed their movements into multiple highly unique cases, leading to a plethora of out of the ordinary shapes and sizes.

The 6139 - a historical movement in its own right - was one of the first automatic chronograph movements created, and counts itself within the ranks of Zenith/Movado’s El Primero movement.  Back in the 1970’s, Heuer and the El Primero had taken a foothold of the entire sports watch industry by racing to become the first to produce an automatic chronograph.  It has been widely debated who really won between the two, but in the background of this skirmish, Seiko quietly created their own, beating the Swiss at their own game – the 6139.

The 6139 was the first chronograph to have a vertical clutch, a feature considered by many to be one of the hallmarks of a superior automatic chronograph movement.  The 6139 also features an automatic column wheel timing control, vertical coupling mechanism, and is an integrated chronograph – the first in the world – which means the entire 6139 movement was designed and built to be a chronograph, vice being an automatic movement with a mere timing module added.

With this movement, Seiko set the standard, which was followed by the Swiss watch industries 20 years later.  The same movement configuration was adopted by Rolex when it made its own in-house movement for the Daytona in 2000, 30 years after Seiko released the caliber 6139 and 6138.

This 6139 includes a leather strap, nylon NATO strap, springbar tool, and Pelican travel case.

1972 Seiko 6139-8010 PVD Automatic Chronograph

  • DIAL: Original black Speed Timer dial with original minute and hour hands, lume shines. Day/date complication – with Kanji Japanese/English variants – at 3 o’clock position works nicely.


    CASE: Original 42mm x 441.5mm stainless steel case; crown is recessed. PVD is mostly intact, with some wear at lower portions, which is scarcely evident during wear.


    CRYSTAL: Hardlex crystal, no scratches.


    BAND: Brown leather strap with black accent stitching – a great sporty compliment to the vintage nature of this 6139 PVD chronograph.  This 6139 also comes with an orange, black, and gray NATO strap.


    MOVEMENT: Original Seiko 17-jewel 6139B automatic movement, manufactured in March 1972.


    CROWN: Original recessed unsigned stainless steel crown.


    CHRONOGRAPH PUSHERS: Chronograph pushers depress with a satisfying click, no stick, and reset as designed to zero with no issue.

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