Worn by: Sean Connery as James Bond
Reference: Gruen Precision
Brand: Gruen
In the Japanese sequences Bond trades the diver’s robustness for a gold Gruen Precision 510, understated beneath his tailored attire. The shift from steel to gold marks a narrative metamorphosis—from the brutal realism of earlier missions to the baroque spectacle of the late 1960s.

Source: https://wallaceallan.co.uk/blogs/post/the-ultimate-list-of-all-james-bond-watches