HSTE[Omega Moderator]
4530
My three Pakistan Air Force Omega Seamaster (case-backs on the second pic).
From left to right:
Ref. 135.007-63 from March 19, 1964
Ref. 135.004-63 from December 2, 1964
Ref. 2914-5 (hence a Railmaster which was badged Seamaster on the order of the Pakistan army) from July 21, 1960
Cheers, HSTE