Audemars Piguet

I am considering a SS RO perpetual calendar with dark blue dial. I would be grateful if any of the forum members, especially those who know or own this particular watch, could confirm how often would a Royal Oak Perpetual Calendar (caliber 2120-2802) need... 

Hi, BCL, The gearing of the perpetual calendar module is such that it will take into consideration all leap years and short or long months until March 1, 2100, at which time the factory (or qualified watchmaker) needs to make one adjustment and it's good ... 

Thank you Thomas for this very useful information. As I was gathering information on this watch, I came across this thread from an AP gathering: ap.watchprosite.com 0 . Martin Wehrli, the curator of the Audemars Piguet Museum, uses this particular piece a...  

20 + years and counting...

Hi BCL, I had an older RO Perpetual Calendar in yellow gold. It was my first watch in all YG. It had a nice heft to it without being too chunky. I ended up parting with it to upgrade for a S/S RO perpetual in dark blue/grey (newer version with leap year i...  

Thank you Thomas, ED and Jerry for the information and the photographs. I will post some pictures and my own experience once I have run it for a little while. All best, Benjamin

The size is great IMO. Seems to be pretty durable and very accurate. JerryW