Historical Horology: What Is A Chronometer?

  While today’s post isn’t necessarily a history lesson in and of itself, it is concerning a certification we’ll often see applied to higher-end mechanical movements – COSC. Often times, it can be easy to confuse a chronograph and chronometer, as they are spelled rather …

Imported: 3. Mar 2013 (15:07), WristWatchReview.com

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