Actually, Watchco 145.0012s cannot be considered NOS because the movements have been generally sourced from other watches.
A real NOS can only be made in the following way:
http://members.iinet.net.au/~fotoplot/rwbspeedmaster/A new Speedmaster 321.html
However, having pursued the same approach some eight years ago, I must add that nowadays it would be extremely expensive - if not unfeasible at all - to do it again.
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