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Jaeger-LeCoultre

Powerful review!

 

Nicolas, your Jumbo Powermatic is a beauty.

Thank you for your review that highlights the mechanical, historical and aestetic interest of this watch as it deserves.

I was wearing my Powermatic recently and it confirmed that the window at 12 is a perfect solution to display the power reserve indicator without overwhelming the dial.



It is also important to notice that Jaeger was already using a similar window indicator for displaying the power reserve on its car clock in the 1920s.

Here is a scan of the patent that was published in 1923 by Jaeger.



Kind regards

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