New Patek Gondolo Calendario (ref. 5035) with new caliber 324

Gerard Nijenbrinks
July 27, 2004
New Patek Gondolo Calendario (ref. 5035) with new caliber 324

Patek 5135

Patek uses an all new movement (caliber 324) in it’s new Gondolo Calendrio. Main improvements and modifications to this movement in comparision to other calibers are: higher beat rate ( 28.800 i.s.o. 21.600), new (4 spoke, 4 maselots i.s.o. 2 spoke, 8 maselots) Gyromax balance wheel, advances in wheel toothing geometry for higher rate accuracy.

Here’s the whole article: New Gondolo Calendario 5135

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Gerard Nijenbrinks
About the author

Gerard Nijenbrinks

Gerard has been in the watch industry for over two decades now. He owned a watch shop in The Hague, The Netherlands, and besides that he has journalistic and photographic activities in the field of watches. Collecting watches since he... read more

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