The other watch is really a Seiko “Golden Tuna” dive watch, Ref. 7459-7009 (higher than), which The trick agent wore in the course of the movie’s submarine search sequence. Traditionally, the watch, whose nickname comes from its “tuna can” scenario, was the very first dive watch using a quartz movement https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/