2011年12月19日星期一

While this mechanism only wound the rolex watch when it was moved in one direction

While pocket watches required the watch owner to actually walk around with the watch, wristwatches featuring an automatic mechanism would wind whenever a person moved his or her arm up and down.This meant that virtually all movements resulted in automatic winding.The first person to apply the automatic concept to the wristwatch was a man by the name of John Harwood.Harwood took out patents involving mechanisms that became known as "hammers" or "bumpers."

While this mechanism only wound the watch when it was moved in one direction, it did allow for 12 hours of autonomous watch functionality when it was fully wound.This watch was produced in a lot of 30000, and was the first commercially successful automatic watch.Rolex provided the final push towards the almost universal adoption of the automatic watch.

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