The other watch can be a Seiko “Golden Tuna” dive watch, Ref. 7459-7009 (over), which the secret agent wore over the movie’s submarine research sequence. Historically, the watch, whose nickname will come from its “tuna can” case, was the main dive watch using a quartz motion and the main by https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/