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![Seiko] 6139 - First Automatic Chronograph movement - A piece of history!! Time to celebrate.: Watches](https://i.redd.it/wpq54eu0n0761.jpg "Seiko] 6139 - First Automatic Chronograph movement - A piece of history!! Time to celebrate.: Watches")
Seiko] 6139 - First Automatic Chronograph movement - A piece of history!! Time to celebrate.: Watches
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