Second one is PO8500, you can tell by the blue lume with green lume on the bezel dot and minute hand.
I wonder how many other forums can claim they have multiple members with railroad dial Constellations and Seamaster pie pans? Probably not many.
Just got this in the mail a couple of days ago. Have to thank you guys for the great advice which led me to this piece.
When I am traveling and need to have a watch on my wrist that doesn't call attention to itself, I wear this one. It is -5 seconds after 3 days. Regards, Jon