The Watch could obtain messages from M and perhaps print them over a ticker-tape to generally be conveniently study later on. Fairly in advance of its time to the seventies, I’d say. The Gruen Precision turned synonymous with Bond’s early adventures. He wore one that has a black cloth strap https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/