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Patek Philippe

Setting Cal. 12-120 QP

 

Greetings to all!


I've searched the forum here and done some additional web research, but I'm not finding anything regarding how to (safely) set the date on the Cal. 12-120 QP perpetual calendar movement.

There are of course two pushers: one on the left side of the watch, and one between the lower lugs.  I suspect that one advances the date and the other the moon, but don't want to mess things up!  Watch is currently set to the proper date (set by a watchmaker after the time of the photo below) but as it won't be a daily wearer I will need to advance the date from time to time.

Any advice or guidance to the appropriate links would be greatly appreciated!

All the best,

Gary G






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