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Dear all, I would like to change the moonphase setting of my 5159 PC but without changing the time and date that are correct. The instructions say to set the time at 6 AM but I assume that, in fact, I should just avoid doing it between 8PM and 2AM. Any other time is fine. Right ? Thanks !

Dear friends, I just notice (on the papers) that during the 2 previous servicing of my Lange 1815 in gold (at the manufacture) the case was polished. I don't like this very much as it "removes matter". Would you feel concerned ? Best

Hi, Just a question : should the crown be tuned clockwise or anti-clockwise to move the hour to the "future" (to advance the hands) ? On my 5159J. Should the crown be in "setting" position when using the pushers ? Thanks.

Dear all, May i ask 2 stupid questions ? 1) Is there any reason to avoid a big change of pressure in a small amount of time with a PP watch ? I assume this is not a problem as this is what happens in a plane... But I prefer to be sure (I ask because I will go to a huge cable car with more 10 000 ft

... my plan was to use the PP winder ! I assume it should be able to handle a PP watch it is given with . Best regards.

Many thanks to both of you and for the great drawings. Unfortunately, it has a deployant buckle...

Dear all, I have 2 questions about my 5159. - In the instructions they only explain how to set the calendar with the pushers. However, if the watch has stopped for a few days, I assume that the calendar can be advanced with the crown and everything (day, date, moonphase, etc.) will advance synchrono

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Dear all, I just see on my brand new 5159 that this circular piece is not "centered" in the circular hole. Is this a problem ? Thanks for your help !!!

Dear all, Would you feel concerned that the Langmatik perpetual does not feature the manufactoy-made balance spring and balance wheel ? It seems that most models are being replaced by new models featuring those in-house parts. What are your feelings ? Best regards