although not a mod
Sean, your explanation was very thorough, just want to clarify 2 small points ~
The run for the production year includes a model type and not a specific watch, so if your PAM 2A shows a total number of 1000 made, that would include all Base Luminors for the year 1998 including PAM 9 and PAM 10 (btw, the split was 500 2's, and 250 each for the 9 and 10).
Regarding the OORs, there is no '12' rule, as there were 100x2s, 80x61s, 6x163s, etc.
Cheers,
~Asi~