[Moderator Omega - Wristscan]
Coincidentally, my Longines Conquest . . .
. . . was sourced from the Longines (and Rolex) agent of East Jerusalem in 1956. The agency was held by a person who owed Uncle George a tidy sum. When my Uncle went to collect, the debtor offered three steel Conquests in lieu of cash, one with steel hands and markers and two others with yellow gold hands and markers. Dad received this one, Uncle Nate one of the gold accented pieces, and Uncle George kept the third.
Uncle Nate's was stolen in a burglary several years ago in which the only two objects taken were his Longines and a bottle of Johnny Walker Blue.
Uncle George's was stolen in a burglary when he was visiting us on an extended vacation. So the only example of the three left is this one, which Dad passed on to yours truly.
I've been persuaded by experts that the dial isn't original; the watch was serviced by Longines London agency in '65, so the dial is almost certainly a service replacement.