The other watch is actually a Seiko “Golden Tuna” dive watch, Ref. 7459-7009 (above), which The key agent wore in the course of the Motion picture’s submarine look for sequence. Traditionally, the watch, whose nickname comes from its “tuna can” situation, was the primary dive watch with a quartz movement https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/