SALMANPK
12706
Dr. T :-) we really need your help on this one....
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 leading Alpha character were indeed correct and this caseback is the 1st proof that we've seen of that?
S
all 5402 steel models...
By: only5402 : November 6th, 2011-01:16
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...
and
By: only5402 : November 6th, 2011-01:28
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...
5402 st serial number
By: 1175trek : March 5th, 2023-00:44
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 ...