As Well as, the Seamaster was essentially worn by genuine Royal Navy officers, so it makes sense that Bond would wear a single. He could possibly have fictionally served like a captain, but the Seamaster has real-life historical worth. AP appears to court controversy today (recall the Spider-Person watch), and https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/