Seiko Time Sonar Chronograph American It became so famous

It became so famous

With a silver colored bezel

It was a subtle transformation

examples from the 1960s are the most hotly desired

Seiko Time Sonar Chronograph American It became so famousWhy We Love It In the late 1960's and early 1970's, Seiko was experimenting with some of the first automatic chronograph movements ever made. Unlike the Swiss, who were creating their own automatic chronographs in the form of the Heuer designed Chronomatic and the Zenith El Primero, Seiko being used to producing in scale were able to keep their costs for their chronographs more accessible through mass production. Featuring a wide variety of case and