Furthermore, The Seamaster was in fact worn by genuine Royal Navy officers, so it is sensible that Bond would wear one particular. He can have fictionally served for a captain, nevertheless the Seamaster has real-life historic relevance. Tourbillons are reasonably pervasive in watchmaking, but frequent-drive mechanisms are tricky to manufacture https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/