While Jason Momoa has been spotted in the usual horological suspects—Rolex Daytona, Cartier Tank, etc.—some more unusual choices have also graced his wrist. Being a serious Leica camera fan, he’s rocked the gold ZM1, for example—a watch that doesn’t get much love from the mainstream celebrity watch-wearing community. Now, however, even that timepiece seems pedestrian next to the rare gem he strapped on for the UK premiere of his new film The Wrecking Crew. Witness Momoa in all his pink corduroy-clad glory—astride a black Harley, no less—and wearing a vintage Blancpain Fifty Fathoms, perhaps his hardest-hitting timepiece yet. The Fifty Fathoms, after all, was one of the first dive watches produced at a commercial scale in the early 1950s alongside the Rolex Submariner and the Zodiac Sea-Wolf. But that’s not all, you see. The Fifty Fathoms was also a widely-issued military watch, with variants used by France’s Marine Nationale, Germany’s Bundeswehr, the U.S. Navy, and others. In fact, it was Captain Bob Maloubier, a French veteran of the Special Operations Executive during the Second World …