Audemars Piguet

Hi guys Has all 5402 a letter and number on the case back? If not, is it a service caseback or not genuine? I ask, as this is a caseback of a 5402 sold in 1975, with AP above 6, with stated individual serial number from AD: 99xxx.... Best, and Thankyou fo...  

had a individual engraving like A - 1550, B - 1033 ... or something like this. Service caseback don´t existe, because the 5402 has a monocoque case, so that it is only possible to change the whole case. For me the case, that you show on the picture is ori...  

i answered a little bit untrue (only a little bit), because also for D it is possible - but not only by comparing the "official caseback-number" for a D-series with another number from D-series, from wich you know both numbers. Than you can find out by ma... 

if all other aspects of the watch are correct, you also can by a watch like this. But the price must be really low according to a 5402 with correct case-back and if you want to sell this watch one day, all potential byers (and real collectors don´t are po... 

this post reminded me of Dr. T's posts: ap.watchprosite.com and this one: ap.watchprosite.com = Is it also possible that the reliable sources and old timers (as in old AP employees) that for many years said that the 5402 was 1st released without any leadi... 

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nt

Hi, It's that there are no APRO's without the A designation for the serial number. There simply is no AP RO number 001, but there IS a A01- and that wold definitely be the first one sold. If you have the new AP book by F. Chaille (Flammarion pub), you'll ... 

I recently found a similar serial number. It's 99XXX. Please let me know if you have any new information regarding this serial number. By the way, this watch has a certificate of authenticity issued by Swiss AP. What that means is that this serial number ...