The Watch could receive messages from M and in many cases print them with a ticker-tape for being conveniently read through later on. Rather ahead of its time with the 1970s, I’d say. French watchmaker Baltic introduced new generations of two of its longstanding traces, the HMS (pictured) as well https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/