A supposedly military issued PR516 manual, just serviced (also new crown, tube, crystal, replaced pallet lever balance and bridge because most of the the escapement/balance was fubar, and I had to put the lower incabloc back where it belonged...
some "watchmaker" got creative):
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It has a "PAF" and broad arrow marking on the caseback, the Internet says it has been issued to the Pakistan Air Force. I wonder if anyone here has one, and knows something definitive about it? You can find one pictured on Flicker, one for sale somewhere on reddit, they come up from time to time on ebay... Had two of those, sold one, both were "barn find", grubby, worn out crowns and tubes, wrong but old crystals, matching patina... so I think they were not faked.
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