The other watch is actually a Seiko “Golden Tuna” dive watch, Ref. 7459-7009 (previously mentioned), which the secret agent wore during the movie’s submarine lookup sequence. Historically, the watch, whose nickname will come from its “tuna can” situation, was the very first dive watch by using a quartz movement and https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/