The Watch could obtain messages from M and in some cases print them with a ticker-tape to get conveniently read later on. Very ahead of its time for that 1970s, I’d say. We didn’t see it coming, even so the Tissot PRX Digital is sensible. However the PRX is common https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/