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Horological Meandering

My two regulators from Germany ...

 

First, here is an automatic regulator with date, made by Union/Glashütte, and discontinued since several years:



On the right, is its "sister in blue", with full calendar.

And here is my favourite one, Rainer Nienaber's "Retrolator": a hand-winding regulator with retrograde minute and jumping hour:







Regards,
Marcus

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