Dr No[Moderator Omega - Wristscan]
37640
P.A.F.: the only triple-signed watch Omega . . .
. . . ever made.
How so?
(1). Iron dial with 'Seamaster' text.
(2). P.A.F. engraving on the movement.
(3). Movement number inscribed on outer caseback.
You don't need an extract . . . a real P.A.F. is its own passport.