Dear Joe
May I congratualte you on a really nice and awesome catch of a true PN legend. Looks like a wacth I have been serachibg for a while now :-(, you are one lucky person
The 6263 (and its "twin", the 6265) were in production from 1970 until end of 1987. The "Instruction Manual" had the word "Daytona" added on the front page around mid 1970's. However the content of the manual was kept the same.
Also the red "Daytona" was added in the middle of 1970's
As your watch is purchased in 1988, does not mean it is from 1987 (last production run)
The 78359 bracelt was introduced in 1977, so your watch is newer (and should probably have had the I.M. with "Daytona"
Cheers
Hans
This message has been edited by hans_jorgen_1968 on 2010-04-16 09:06:52