Seiko Automatic Chronograph 'Bullhead' vintage And the "Stars and Stripes"

And the "Stars and Stripes" is big--even for today's standards

The well-renowned jeweler has had a long history of offering watches made by other manufactures

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Seiko Automatic Chronograph 'Bullhead' vintage And the "Stars and Stripes"Though the Swiss often get all the glory for producing the first automatic chronograph in 1969, Seiko quietly released the Calibre 6139 a rugged automatic chronograph unit as early as May of the same year. In 1970, it made a few tweaks, adding an hour totalizer and a new quickset system, and released the Calibre 6138. Like its predecessor, the 6138 could be found in a number of unique dial and case configurations that have maintained collector