Patek Philippe

Dear All, I have recently acquired a 5159R and notice that the change in moonphase takes place at around 8pm. It is different from my other annual calendars using the same 324 movement base, which have a moonphase change at around 9am. The timing of moonp... 

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Having spoken with a member of staff from the Patek UK service centre about 4 years ago. Is that the moonphase changes between 09.30-11.30 hrs each morning. So, I am unable to shed any light on why yours is different, if everything else changes as it shou... 

Hi, Tony, Thanks for the reply. All of the calendar display of my 5159R change correctly. The setting of the watch is done just as stated by the user manual. According to the manual, all calendar display will change between 8pm to 2am everyday. But it doe... 

Have you asked your AD, to raise your concerns with the Patek service centre and see if they can enlightened you?

But Sam has just solved my puzzle. His 5496P also has its moon phase changed at 9pm, which shares the same movement as mine. Thanks.

You can learn something new everyday on this forum. :) It is good to read that all is working well. :) I wonder why it is set to change at that time, compared to the earlier time??

Tony, I have the same question too. Certainly, the only way to get a confirmed answer is to ask PP service center (I shall do so on my next visit to them while getting my newly ordered aligator strap). But thanks to PP, we can now download the user manual...