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Does NASA certification end the debate of Column Wheel Vs. Cam Chronographs? -
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![Seagull] ST19 Column Wheel Chronograph : r/Watches](https://preview.redd.it/yntj6dhu21z51.jpg?width=640&crop=smart&auto=webp&s=393daa16296cb0502b95351dbc5f332a58204e37 "Seagull] ST19 Column Wheel Chronograph : r/Watches")
Seagull] ST19 Column Wheel Chronograph : r/Watches
SEIKO PROFILE SERIES: AUTOMATIC COLUMN WHEEL CHRONOGRAPH
